Home / 61,301.10-91,997.28-45,542.82

Finding the Fourth Proportional to 61,301.10, 91,997.28 and 45,542.82

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Solution

The fourth proportional to 61,301.10, 91,997.28 and 45,542.82 is: 68,348.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,301.10 : 91,997.28 = 45,542.82 : x
  2. Step 2: Convert to fraction form
    61,301.10/91,997.28 = 45,542.82/x
  3. Step 3: Cross multiply
    61,301.10x = 91,997.28 × 45,542.82
  4. Step 4: Simplify right side
    61,301.10x = 4,189,815,563.53
  5. Step 5: Solve for x
    x = 4,189,815,563.53/61,301.10
  6. Step 6: Final answer
    x = 68,348.13

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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.