Finding the Fourth Proportional to 86,717.44, 130,076.19 and 24,387.94
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Solution
The fourth proportional to 86,717.44, 130,076.19 and 24,387.94 is: 36,581.92
Step by Step Solution
- Step 1: Write the proportion equation
86,717.44 : 130,076.19 = 24,387.94 : x - Step 2: Convert to fraction form
86,717.44/130,076.19 = 24,387.94/x - Step 3: Cross multiply
86,717.44x = 130,076.19 × 24,387.94 - Step 4: Simplify right side
86,717.44x = 3,172,290,317.15 - Step 5: Solve for x
x = 3,172,290,317.15/86,717.44 - Step 6: Final answer
x = 36,581.92
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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.