Finding the Fourth Proportional to 75,066.92, 112,729.14 and 66,652.41
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Solution
The fourth proportional to 75,066.92, 112,729.14 and 66,652.41 is: 100,092.94
Step by Step Solution
- Step 1: Write the proportion equation
75,066.92 : 112,729.14 = 66,652.41 : x - Step 2: Convert to fraction form
75,066.92/112,729.14 = 66,652.41/x - Step 3: Cross multiply
75,066.92x = 112,729.14 × 66,652.41 - Step 4: Simplify right side
75,066.92x = 7,513,668,858.23 - Step 5: Solve for x
x = 7,513,668,858.23/75,066.92 - Step 6: Final answer
x = 100,092.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.