Finding the Fourth Proportional to 87,134.68, 130,689.67 and 27,962.70
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Solution
The fourth proportional to 87,134.68, 130,689.67 and 27,962.70 is: 41,940.09
Step by Step Solution
- Step 1: Write the proportion equation
87,134.68 : 130,689.67 = 27,962.70 : x - Step 2: Convert to fraction form
87,134.68/130,689.67 = 27,962.70/x - Step 3: Cross multiply
87,134.68x = 130,689.67 × 27,962.70 - Step 4: Simplify right side
87,134.68x = 3,654,436,035.31 - Step 5: Solve for x
x = 3,654,436,035.31/87,134.68 - Step 6: Final answer
x = 41,940.09
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1.5x scale
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.