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Finding the Fourth Proportional to 61,167.54, 91,767.70 and 48,734.44

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Solution

The fourth proportional to 61,167.54, 91,767.70 and 48,734.44 is: 73,114.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,167.54 : 91,767.70 = 48,734.44 : x
  2. Step 2: Convert to fraction form
    61,167.54/91,767.70 = 48,734.44/x
  3. Step 3: Cross multiply
    61,167.54x = 91,767.70 × 48,734.44
  4. Step 4: Simplify right side
    61,167.54x = 4,472,247,469.59
  5. Step 5: Solve for x
    x = 4,472,247,469.59/61,167.54
  6. Step 6: Final answer
    x = 73,114.72

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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.