Home / 92,291.30-138,469.07-29,121.17

Finding the Fourth Proportional to 92,291.30, 138,469.07 and 29,121.17

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Solution

The fourth proportional to 92,291.30, 138,469.07 and 29,121.17 is: 43,691.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,291.30 : 138,469.07 = 29,121.17 : x
  2. Step 2: Convert to fraction form
    92,291.30/138,469.07 = 29,121.17/x
  3. Step 3: Cross multiply
    92,291.30x = 138,469.07 × 29,121.17
  4. Step 4: Simplify right side
    92,291.30x = 4,032,381,327.21
  5. Step 5: Solve for x
    x = 4,032,381,327.21/92,291.30
  6. Step 6: Final answer
    x = 43,691.89

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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.