Home / 67,728.92-101,631.14-25,637

Finding the Fourth Proportional to 67,728.92, 101,631.14 and 25,637

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Solution

The fourth proportional to 67,728.92, 101,631.14 and 25,637 is: 38,469.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,728.92 : 101,631.14 = 25,637 : x
  2. Step 2: Convert to fraction form
    67,728.92/101,631.14 = 25,637/x
  3. Step 3: Cross multiply
    67,728.92x = 101,631.14 × 25,637
  4. Step 4: Simplify right side
    67,728.92x = 2,605,517,536.18
  5. Step 5: Solve for x
    x = 2,605,517,536.18/67,728.92
  6. Step 6: Final answer
    x = 38,469.79

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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.