Home / 87,132.62-130,688.54-23,959.16

Finding the Fourth Proportional to 87,132.62, 130,688.54 and 23,959.16

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Solution

The fourth proportional to 87,132.62, 130,688.54 and 23,959.16 is: 35,935.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,132.62 : 130,688.54 = 23,959.16 : x
  2. Step 2: Convert to fraction form
    87,132.62/130,688.54 = 23,959.16/x
  3. Step 3: Cross multiply
    87,132.62x = 130,688.54 × 23,959.16
  4. Step 4: Simplify right side
    87,132.62x = 3,131,187,640.03
  5. Step 5: Solve for x
    x = 3,131,187,640.03/87,132.62
  6. Step 6: Final answer
    x = 35,935.88

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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.