Home / 99,591.12-149,418-29,471.04

Finding the Fourth Proportional to 99,591.12, 149,418 and 29,471.04

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Solution

The fourth proportional to 99,591.12, 149,418 and 29,471.04 is: 44,215.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,591.12 : 149,418 = 29,471.04 : x
  2. Step 2: Convert to fraction form
    99,591.12/149,418 = 29,471.04/x
  3. Step 3: Cross multiply
    99,591.12x = 149,418 × 29,471.04
  4. Step 4: Simplify right side
    99,591.12x = 4,403,503,854.72
  5. Step 5: Solve for x
    x = 4,403,503,854.72/99,591.12
  6. Step 6: Final answer
    x = 44,215.83

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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.