Home / 124,974.61-172,464.49-67,613.75

Finding the Fourth Proportional to 124,974.61, 172,464.49 and 67,613.75

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Solution

The fourth proportional to 124,974.61, 172,464.49 and 67,613.75 is: 93,306.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,974.61 : 172,464.49 = 67,613.75 : x
  2. Step 2: Convert to fraction form
    124,974.61/172,464.49 = 67,613.75/x
  3. Step 3: Cross multiply
    124,974.61x = 172,464.49 × 67,613.75
  4. Step 4: Simplify right side
    124,974.61x = 11,660,970,399.35
  5. Step 5: Solve for x
    x = 11,660,970,399.35/124,974.61
  6. Step 6: Final answer
    x = 93,306.72

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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.