Finding the Fourth Proportional to 107,861.12, 161,820.84 and 32,983.92
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Solution
The fourth proportional to 107,861.12, 161,820.84 and 32,983.92 is: 49,484.80
Step by Step Solution
- Step 1: Write the proportion equation
107,861.12 : 161,820.84 = 32,983.92 : x - Step 2: Convert to fraction form
107,861.12/161,820.84 = 32,983.92/x - Step 3: Cross multiply
107,861.12x = 161,820.84 × 32,983.92 - Step 4: Simplify right side
107,861.12x = 5,337,485,640.89 - Step 5: Solve for x
x = 5,337,485,640.89/107,861.12 - Step 6: Final answer
x = 49,484.80
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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.