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Finding the Fourth Proportional to 68,132.73, 102,212.76 and 23,747.57

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Solution

The fourth proportional to 68,132.73, 102,212.76 and 23,747.57 is: 35,626.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,132.73 : 102,212.76 = 23,747.57 : x
  2. Step 2: Convert to fraction form
    68,132.73/102,212.76 = 23,747.57/x
  3. Step 3: Cross multiply
    68,132.73x = 102,212.76 × 23,747.57
  4. Step 4: Simplify right side
    68,132.73x = 2,427,304,161.93
  5. Step 5: Solve for x
    x = 2,427,304,161.93/68,132.73
  6. Step 6: Final answer
    x = 35,626.11

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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.