Home / 75,337.74-103,958.96-45,122.54

Finding the Fourth Proportional to 75,337.74, 103,958.96 and 45,122.54

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Solution

The fourth proportional to 75,337.74, 103,958.96 and 45,122.54 is: 62,264.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,337.74 : 103,958.96 = 45,122.54 : x
  2. Step 2: Convert to fraction form
    75,337.74/103,958.96 = 45,122.54/x
  3. Step 3: Cross multiply
    75,337.74x = 103,958.96 × 45,122.54
  4. Step 4: Simplify right side
    75,337.74x = 4,690,891,585.55
  5. Step 5: Solve for x
    x = 4,690,891,585.55/75,337.74
  6. Step 6: Final answer
    x = 62,264.83

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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.