Home / 94,428.60-141,351.30-54,868.20

Finding the Fourth Proportional to 94,428.60, 141,351.30 and 54,868.20

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Solution

The fourth proportional to 94,428.60, 141,351.30 and 54,868.20 is: 82,132.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,428.60 : 141,351.30 = 54,868.20 : x
  2. Step 2: Convert to fraction form
    94,428.60/141,351.30 = 54,868.20/x
  3. Step 3: Cross multiply
    94,428.60x = 141,351.30 × 54,868.20
  4. Step 4: Simplify right side
    94,428.60x = 7,755,691,398.66
  5. Step 5: Solve for x
    x = 7,755,691,398.66/94,428.60
  6. Step 6: Final answer
    x = 82,132.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.