Home / 99,489.20-149,244.76-32,905.08

Finding the Fourth Proportional to 99,489.20, 149,244.76 and 32,905.08

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Solution

The fourth proportional to 99,489.20, 149,244.76 and 32,905.08 is: 49,361.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,489.20 : 149,244.76 = 32,905.08 : x
  2. Step 2: Convert to fraction form
    99,489.20/149,244.76 = 32,905.08/x
  3. Step 3: Cross multiply
    99,489.20x = 149,244.76 × 32,905.08
  4. Step 4: Simplify right side
    99,489.20x = 4,910,910,767.38
  5. Step 5: Solve for x
    x = 4,910,910,767.38/99,489.20
  6. Step 6: Final answer
    x = 49,361.24

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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.