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Finding the Fourth Proportional to 84,873.55, 127,337.97 and 40,494.57

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Solution

The fourth proportional to 84,873.55, 127,337.97 and 40,494.57 is: 60,755.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,873.55 : 127,337.97 = 40,494.57 : x
  2. Step 2: Convert to fraction form
    84,873.55/127,337.97 = 40,494.57/x
  3. Step 3: Cross multiply
    84,873.55x = 127,337.97 × 40,494.57
  4. Step 4: Simplify right side
    84,873.55x = 5,156,496,339.82
  5. Step 5: Solve for x
    x = 5,156,496,339.82/84,873.55
  6. Step 6: Final answer
    x = 60,755.04

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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.