Home / 87,837.68-131,758.68-25,508.72

Finding the Fourth Proportional to 87,837.68, 131,758.68 and 25,508.72

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Solution

The fourth proportional to 87,837.68, 131,758.68 and 25,508.72 is: 38,263.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,837.68 : 131,758.68 = 25,508.72 : x
  2. Step 2: Convert to fraction form
    87,837.68/131,758.68 = 25,508.72/x
  3. Step 3: Cross multiply
    87,837.68x = 131,758.68 × 25,508.72
  4. Step 4: Simplify right side
    87,837.68x = 3,360,995,275.69
  5. Step 5: Solve for x
    x = 3,360,995,275.69/87,837.68
  6. Step 6: Final answer
    x = 38,263.71

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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.