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Finding the Fourth Proportional to 85,073.50, 127,600.52 and 22,748.86

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Solution

The fourth proportional to 85,073.50, 127,600.52 and 22,748.86 is: 34,120.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,073.50 : 127,600.52 = 22,748.86 : x
  2. Step 2: Convert to fraction form
    85,073.50/127,600.52 = 22,748.86/x
  3. Step 3: Cross multiply
    85,073.50x = 127,600.52 × 22,748.86
  4. Step 4: Simplify right side
    85,073.50x = 2,902,766,365.41
  5. Step 5: Solve for x
    x = 2,902,766,365.41/85,073.50
  6. Step 6: Final answer
    x = 34,120.69

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1.5x scale

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.