Home / 111,724.92-154,136.52-63,952.56

Finding the Fourth Proportional to 111,724.92, 154,136.52 and 63,952.56

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Solution

The fourth proportional to 111,724.92, 154,136.52 and 63,952.56 is: 88,229.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,724.92 : 154,136.52 = 63,952.56 : x
  2. Step 2: Convert to fraction form
    111,724.92/154,136.52 = 63,952.56/x
  3. Step 3: Cross multiply
    111,724.92x = 154,136.52 × 63,952.56
  4. Step 4: Simplify right side
    111,724.92x = 9,857,425,043.49
  5. Step 5: Solve for x
    x = 9,857,425,043.49/111,724.92
  6. Step 6: Final answer
    x = 88,229.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.