Finding the Fourth Proportional to 87,112.20, 130,337.87 and 51,592.53
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Solution
The fourth proportional to 87,112.20, 130,337.87 and 51,592.53 is: 77,193.09
Step by Step Solution
- Step 1: Write the proportion equation
87,112.20 : 130,337.87 = 51,592.53 : x - Step 2: Convert to fraction form
87,112.20/130,337.87 = 51,592.53/x - Step 3: Cross multiply
87,112.20x = 130,337.87 × 51,592.53 - Step 4: Simplify right side
87,112.20x = 6,724,460,210.15 - Step 5: Solve for x
x = 6,724,460,210.15/87,112.20 - Step 6: Final answer
x = 77,193.09
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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.