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Finding the Fourth Proportional to 61,452.44, 92,178.66 and 35,138.73

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Solution

The fourth proportional to 61,452.44, 92,178.66 and 35,138.73 is: 52,708.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,452.44 : 92,178.66 = 35,138.73 : x
  2. Step 2: Convert to fraction form
    61,452.44/92,178.66 = 35,138.73/x
  3. Step 3: Cross multiply
    61,452.44x = 92,178.66 × 35,138.73
  4. Step 4: Simplify right side
    61,452.44x = 3,239,040,584.61
  5. Step 5: Solve for x
    x = 3,239,040,584.61/61,452.44
  6. Step 6: Final answer
    x = 52,708.09

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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.