Home / 87,159.13-130,721.49-23,962.96

Finding the Fourth Proportional to 87,159.13, 130,721.49 and 23,962.96

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Solution

The fourth proportional to 87,159.13, 130,721.49 and 23,962.96 is: 35,939.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,159.13 : 130,721.49 = 23,962.96 : x
  2. Step 2: Convert to fraction form
    87,159.13/130,721.49 = 23,962.96/x
  3. Step 3: Cross multiply
    87,159.13x = 130,721.49 × 23,962.96
  4. Step 4: Simplify right side
    87,159.13x = 3,132,473,836.01
  5. Step 5: Solve for x
    x = 3,132,473,836.01/87,159.13
  6. Step 6: Final answer
    x = 35,939.71

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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.