Home / 88,721.56-132,960.24-38,843.38

Finding the Fourth Proportional to 88,721.56, 132,960.24 and 38,843.38

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Solution

The fourth proportional to 88,721.56, 132,960.24 and 38,843.38 is: 58,211.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,721.56 : 132,960.24 = 38,843.38 : x
  2. Step 2: Convert to fraction form
    88,721.56/132,960.24 = 38,843.38/x
  3. Step 3: Cross multiply
    88,721.56x = 132,960.24 × 38,843.38
  4. Step 4: Simplify right side
    88,721.56x = 5,164,625,127.21
  5. Step 5: Solve for x
    x = 5,164,625,127.21/88,721.56
  6. Step 6: Final answer
    x = 58,211.61

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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.