Finding the Fourth Proportional to 86,472.99, 129,748.88 and 44,382.62
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Solution
The fourth proportional to 86,472.99, 129,748.88 and 44,382.62 is: 66,594.15
Step by Step Solution
- Step 1: Write the proportion equation
86,472.99 : 129,748.88 = 44,382.62 : x - Step 2: Convert to fraction form
86,472.99/129,748.88 = 44,382.62/x - Step 3: Cross multiply
86,472.99x = 129,748.88 × 44,382.62 - Step 4: Simplify right side
86,472.99x = 5,758,595,236.47 - Step 5: Solve for x
x = 5,758,595,236.47/86,472.99 - Step 6: Final answer
x = 66,594.15
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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.