Home / 83,149.14-124,723.71-30,535.86

Finding the Fourth Proportional to 83,149.14, 124,723.71 and 30,535.86

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Solution

The fourth proportional to 83,149.14, 124,723.71 and 30,535.86 is: 45,803.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,149.14 : 124,723.71 = 30,535.86 : x
  2. Step 2: Convert to fraction form
    83,149.14/124,723.71 = 30,535.86/x
  3. Step 3: Cross multiply
    83,149.14x = 124,723.71 × 30,535.86
  4. Step 4: Simplify right side
    83,149.14x = 3,808,545,747.24
  5. Step 5: Solve for x
    x = 3,808,545,747.24/83,149.14
  6. Step 6: Final answer
    x = 45,803.79

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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.