Home / 68,422.52-94,423.22-38,207.75

Finding the Fourth Proportional to 68,422.52, 94,423.22 and 38,207.75

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Solution

The fourth proportional to 68,422.52, 94,423.22 and 38,207.75 is: 52,726.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,422.52 : 94,423.22 = 38,207.75 : x
  2. Step 2: Convert to fraction form
    68,422.52/94,423.22 = 38,207.75/x
  3. Step 3: Cross multiply
    68,422.52x = 94,423.22 × 38,207.75
  4. Step 4: Simplify right side
    68,422.52x = 3,607,699,115.53
  5. Step 5: Solve for x
    x = 3,607,699,115.53/68,422.52
  6. Step 6: Final answer
    x = 52,726.78

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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.