Finding the Fourth Proportional to 86,352.08, 129,545.58 and 36,432.29
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Solution
The fourth proportional to 86,352.08, 129,545.58 and 36,432.29 is: 54,655.80
Step by Step Solution
- Step 1: Write the proportion equation
86,352.08 : 129,545.58 = 36,432.29 : x - Step 2: Convert to fraction form
86,352.08/129,545.58 = 36,432.29/x - Step 3: Cross multiply
86,352.08x = 129,545.58 × 36,432.29 - Step 4: Simplify right side
86,352.08x = 4,719,641,491.05 - Step 5: Solve for x
x = 4,719,641,491.05/86,352.08 - Step 6: Final answer
x = 54,655.80
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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.