Home / 68,317.28-101,796.78-60,864.47

Finding the Fourth Proportional to 68,317.28, 101,796.78 and 60,864.47

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Solution

The fourth proportional to 68,317.28, 101,796.78 and 60,864.47 is: 90,691.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,317.28 : 101,796.78 = 60,864.47 : x
  2. Step 2: Convert to fraction form
    68,317.28/101,796.78 = 60,864.47/x
  3. Step 3: Cross multiply
    68,317.28x = 101,796.78 × 60,864.47
  4. Step 4: Simplify right side
    68,317.28x = 6,195,806,249.10
  5. Step 5: Solve for x
    x = 6,195,806,249.10/68,317.28
  6. Step 6: Final answer
    x = 90,691.65

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.