Finding the Fourth Proportional to 73,387.29, 110,120.92 and 48,439.09
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Solution
The fourth proportional to 73,387.29, 110,120.92 and 48,439.09 is: 72,685.02
Step by Step Solution
- Step 1: Write the proportion equation
73,387.29 : 110,120.92 = 48,439.09 : x - Step 2: Convert to fraction form
73,387.29/110,120.92 = 48,439.09/x - Step 3: Cross multiply
73,387.29x = 110,120.92 × 48,439.09 - Step 4: Simplify right side
73,387.29x = 5,334,156,861.60 - Step 5: Solve for x
x = 5,334,156,861.60/73,387.29 - Step 6: Final answer
x = 72,685.02
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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.