Home / 89,981.19-124,174.04-52,257.87

Finding the Fourth Proportional to 89,981.19, 124,174.04 and 52,257.87

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Solution

The fourth proportional to 89,981.19, 124,174.04 and 52,257.87 is: 72,115.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,981.19 : 124,174.04 = 52,257.87 : x
  2. Step 2: Convert to fraction form
    89,981.19/124,174.04 = 52,257.87/x
  3. Step 3: Cross multiply
    89,981.19x = 124,174.04 × 52,257.87
  4. Step 4: Simplify right side
    89,981.19x = 6,489,070,839.69
  5. Step 5: Solve for x
    x = 6,489,070,839.69/89,981.19
  6. Step 6: Final answer
    x = 72,115.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.