Home / 83,540.40-125,229.60-36,735.36

Finding the Fourth Proportional to 83,540.40, 125,229.60 and 36,735.36

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Solution

The fourth proportional to 83,540.40, 125,229.60 and 36,735.36 is: 55,067.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,540.40 : 125,229.60 = 36,735.36 : x
  2. Step 2: Convert to fraction form
    83,540.40/125,229.60 = 36,735.36/x
  3. Step 3: Cross multiply
    83,540.40x = 125,229.60 × 36,735.36
  4. Step 4: Simplify right side
    83,540.40x = 4,600,354,438.66
  5. Step 5: Solve for x
    x = 4,600,354,438.66/83,540.40
  6. Step 6: Final answer
    x = 55,067.42

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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.