Finding the Fourth Proportional to 88,604.18, 132,805.69 and 77,909.84
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Solution
The fourth proportional to 88,604.18, 132,805.69 and 77,909.84 is: 116,776.32
Step by Step Solution
- Step 1: Write the proportion equation
88,604.18 : 132,805.69 = 77,909.84 : x - Step 2: Convert to fraction form
88,604.18/132,805.69 = 77,909.84/x - Step 3: Cross multiply
88,604.18x = 132,805.69 × 77,909.84 - Step 4: Simplify right side
88,604.18x = 10,346,869,200.19 - Step 5: Solve for x
x = 10,346,869,200.19/88,604.18 - Step 6: Final answer
x = 116,776.32
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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.