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Finding the Fourth Proportional to 73,874.60, 110,747.10 and 44,304.20

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Solution

The fourth proportional to 73,874.60, 110,747.10 and 44,304.20 is: 66,417.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,874.60 : 110,747.10 = 44,304.20 : x
  2. Step 2: Convert to fraction form
    73,874.60/110,747.10 = 44,304.20/x
  3. Step 3: Cross multiply
    73,874.60x = 110,747.10 × 44,304.20
  4. Step 4: Simplify right side
    73,874.60x = 4,906,561,667.82
  5. Step 5: Solve for x
    x = 4,906,561,667.82/73,874.60
  6. Step 6: Final answer
    x = 66,417.44

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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.