Home / 87,187.38-130,782.28-24,857.88

Finding the Fourth Proportional to 87,187.38, 130,782.28 and 24,857.88

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Solution

The fourth proportional to 87,187.38, 130,782.28 and 24,857.88 is: 37,287.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,187.38 : 130,782.28 = 24,857.88 : x
  2. Step 2: Convert to fraction form
    87,187.38/130,782.28 = 24,857.88/x
  3. Step 3: Cross multiply
    87,187.38x = 130,782.28 × 24,857.88
  4. Step 4: Simplify right side
    87,187.38x = 3,250,969,568.46
  5. Step 5: Solve for x
    x = 3,250,969,568.46/87,187.38
  6. Step 6: Final answer
    x = 37,287.16

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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.