99/66=z/50

To find the value of z, we can set up a proportion:

99/66 = z/50

To solve for z, we can cross-multiply:

66z = 99 * 50
66z = 4950

Now, we divide both sides by 66 to isolate z:

z = 4950/66

Simplifying this expression, we get:

z = 75