Fort Lauderdale is about 1,290 times smaller than Pennsylvania.

Pennsylvania is approximately 116,075 sq km, while Fort Lauderdale (excluding the city's 9.9 sq km of water area) is approximately 90 sq km, making Fort Lauderdale 0.08% the size of Pennsylvania.
Tip: This to-scale comparison of Pennsylvania vs. Fort Lauderdale uses the Mercator projection, which distorts the size of regions near the poles.