Home / 87,701.20-131,572.32-25,370.08

Finding the Fourth Proportional to 87,701.20, 131,572.32 and 25,370.08

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Solution

The fourth proportional to 87,701.20, 131,572.32 and 25,370.08 is: 38,061.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,701.20 : 131,572.32 = 25,370.08 : x
  2. Step 2: Convert to fraction form
    87,701.20/131,572.32 = 25,370.08/x
  3. Step 3: Cross multiply
    87,701.20x = 131,572.32 × 25,370.08
  4. Step 4: Simplify right side
    87,701.20x = 3,338,000,284.19
  5. Step 5: Solve for x
    x = 3,338,000,284.19/87,701.20
  6. Step 6: Final answer
    x = 38,061.06

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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.