Finding the Fourth Proportional to 88,821.09, 133,226.17 and 29,651.81
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Solution
The fourth proportional to 88,821.09, 133,226.17 and 29,651.81 is: 44,475.88
Step by Step Solution
- Step 1: Write the proportion equation
88,821.09 : 133,226.17 = 29,651.81 : x - Step 2: Convert to fraction form
88,821.09/133,226.17 = 29,651.81/x - Step 3: Cross multiply
88,821.09x = 133,226.17 × 29,651.81 - Step 4: Simplify right side
88,821.09x = 3,950,396,339.61 - Step 5: Solve for x
x = 3,950,396,339.61/88,821.09 - Step 6: Final answer
x = 44,475.88
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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.