Finding the Fourth Proportional to 87,366.68, 120,562.20 and 53,432.12
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Solution
The fourth proportional to 87,366.68, 120,562.20 and 53,432.12 is: 73,733.99
Step by Step Solution
- Step 1: Write the proportion equation
87,366.68 : 120,562.20 = 53,432.12 : x - Step 2: Convert to fraction form
87,366.68/120,562.20 = 53,432.12/x - Step 3: Cross multiply
87,366.68x = 120,562.20 × 53,432.12 - Step 4: Simplify right side
87,366.68x = 6,441,893,937.86 - Step 5: Solve for x
x = 6,441,893,937.86/87,366.68 - Step 6: Final answer
x = 73,733.99
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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.