Home / 99,719.92-149,584.44-40,524.88

Finding the Fourth Proportional to 99,719.92, 149,584.44 and 40,524.88

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Solution

The fourth proportional to 99,719.92, 149,584.44 and 40,524.88 is: 60,789.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,719.92 : 149,584.44 = 40,524.88 : x
  2. Step 2: Convert to fraction form
    99,719.92/149,584.44 = 40,524.88/x
  3. Step 3: Cross multiply
    99,719.92x = 149,584.44 × 40,524.88
  4. Step 4: Simplify right side
    99,719.92x = 6,061,891,480.87
  5. Step 5: Solve for x
    x = 6,061,891,480.87/99,719.92
  6. Step 6: Final answer
    x = 60,789.17

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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.