Home / 87,123.93-130,687.33-23,943.66

Finding the Fourth Proportional to 87,123.93, 130,687.33 and 23,943.66

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Solution

The fourth proportional to 87,123.93, 130,687.33 and 23,943.66 is: 35,915.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,123.93 : 130,687.33 = 23,943.66 : x
  2. Step 2: Convert to fraction form
    87,123.93/130,687.33 = 23,943.66/x
  3. Step 3: Cross multiply
    87,123.93x = 130,687.33 × 23,943.66
  4. Step 4: Simplify right side
    87,123.93x = 3,129,132,995.83
  5. Step 5: Solve for x
    x = 3,129,132,995.83/87,123.93
  6. Step 6: Final answer
    x = 35,915.88

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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.