Home / 75,151.20-103,691.68-44,931.52

Finding the Fourth Proportional to 75,151.20, 103,691.68 and 44,931.52

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Solution

The fourth proportional to 75,151.20, 103,691.68 and 44,931.52 is: 61,995.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,151.20 : 103,691.68 = 44,931.52 : x
  2. Step 2: Convert to fraction form
    75,151.20/103,691.68 = 44,931.52/x
  3. Step 3: Cross multiply
    75,151.20x = 103,691.68 × 44,931.52
  4. Step 4: Simplify right side
    75,151.20x = 4,659,024,793.75
  5. Step 5: Solve for x
    x = 4,659,024,793.75/75,151.20
  6. Step 6: Final answer
    x = 61,995.35

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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.