Home / 68,454.72-94,469.49-38,239.02

Finding the Fourth Proportional to 68,454.72, 94,469.49 and 38,239.02

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Solution

The fourth proportional to 68,454.72, 94,469.49 and 38,239.02 is: 52,770.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,454.72 : 94,469.49 = 38,239.02 : x
  2. Step 2: Convert to fraction form
    68,454.72/94,469.49 = 38,239.02/x
  3. Step 3: Cross multiply
    68,454.72x = 94,469.49 × 38,239.02
  4. Step 4: Simplify right side
    68,454.72x = 3,612,420,717.50
  5. Step 5: Solve for x
    x = 3,612,420,717.50/68,454.72
  6. Step 6: Final answer
    x = 52,770.95

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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.