Home / 83,834.44-125,759.88-30,540.90

Finding the Fourth Proportional to 83,834.44, 125,759.88 and 30,540.90

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Solution

The fourth proportional to 83,834.44, 125,759.88 and 30,540.90 is: 45,814.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,834.44 : 125,759.88 = 30,540.90 : x
  2. Step 2: Convert to fraction form
    83,834.44/125,759.88 = 30,540.90/x
  3. Step 3: Cross multiply
    83,834.44x = 125,759.88 × 30,540.90
  4. Step 4: Simplify right side
    83,834.44x = 3,840,819,919.09
  5. Step 5: Solve for x
    x = 3,840,819,919.09/83,834.44
  6. Step 6: Final answer
    x = 45,814.34

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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.