Finding the Fourth Proportional to 123,577.92, 170,532.96 and 66,988.08
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Solution
The fourth proportional to 123,577.92, 170,532.96 and 66,988.08 is: 92,441.07
Step by Step Solution
- Step 1: Write the proportion equation
123,577.92 : 170,532.96 = 66,988.08 : x - Step 2: Convert to fraction form
123,577.92/170,532.96 = 66,988.08/x - Step 3: Cross multiply
123,577.92x = 170,532.96 × 66,988.08 - Step 4: Simplify right side
123,577.92x = 11,423,675,567.12 - Step 5: Solve for x
x = 11,423,675,567.12/123,577.92 - Step 6: Final answer
x = 92,441.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.