Home / 80,540.97-111,142.94-48,293.39

Finding the Fourth Proportional to 80,540.97, 111,142.94 and 48,293.39

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Solution

The fourth proportional to 80,540.97, 111,142.94 and 48,293.39 is: 66,642.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,540.97 : 111,142.94 = 48,293.39 : x
  2. Step 2: Convert to fraction form
    80,540.97/111,142.94 = 48,293.39/x
  3. Step 3: Cross multiply
    80,540.97x = 111,142.94 × 48,293.39
  4. Step 4: Simplify right side
    80,540.97x = 5,367,469,190.04
  5. Step 5: Solve for x
    x = 5,367,469,190.04/80,540.97
  6. Step 6: Final answer
    x = 66,642.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.