Home / 75,542.70-113,310.45-25,617.90

Finding the Fourth Proportional to 75,542.70, 113,310.45 and 25,617.90

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Solution

The fourth proportional to 75,542.70, 113,310.45 and 25,617.90 is: 38,425.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,542.70 : 113,310.45 = 25,617.90 : x
  2. Step 2: Convert to fraction form
    75,542.70/113,310.45 = 25,617.90/x
  3. Step 3: Cross multiply
    75,542.70x = 113,310.45 × 25,617.90
  4. Step 4: Simplify right side
    75,542.70x = 2,902,775,777.06
  5. Step 5: Solve for x
    x = 2,902,775,777.06/75,542.70
  6. Step 6: Final answer
    x = 38,425.63

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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.