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Finding the Fourth Proportional to 60,712.42, 91,046.76 and 25,654.81

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Solution

The fourth proportional to 60,712.42, 91,046.76 and 25,654.81 is: 38,472.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,712.42 : 91,046.76 = 25,654.81 : x
  2. Step 2: Convert to fraction form
    60,712.42/91,046.76 = 25,654.81/x
  3. Step 3: Cross multiply
    60,712.42x = 91,046.76 × 25,654.81
  4. Step 4: Simplify right side
    60,712.42x = 2,335,787,328.92
  5. Step 5: Solve for x
    x = 2,335,787,328.92/60,712.42
  6. Step 6: Final answer
    x = 38,472.97

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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.