Home / 84,286.26-126,447.87-31,695.73

Finding the Fourth Proportional to 84,286.26, 126,447.87 and 31,695.73

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Solution

The fourth proportional to 84,286.26, 126,447.87 and 31,695.73 is: 47,550.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,286.26 : 126,447.87 = 31,695.73 : x
  2. Step 2: Convert to fraction form
    84,286.26/126,447.87 = 31,695.73/x
  3. Step 3: Cross multiply
    84,286.26x = 126,447.87 × 31,695.73
  4. Step 4: Simplify right side
    84,286.26x = 4,007,857,546.60
  5. Step 5: Solve for x
    x = 4,007,857,546.60/84,286.26
  6. Step 6: Final answer
    x = 47,550.54

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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.