Home / 99,559.72-149,249.94-36,335.68

Finding the Fourth Proportional to 99,559.72, 149,249.94 and 36,335.68

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Solution

The fourth proportional to 99,559.72, 149,249.94 and 36,335.68 is: 54,470.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,559.72 : 149,249.94 = 36,335.68 : x
  2. Step 2: Convert to fraction form
    99,559.72/149,249.94 = 36,335.68/x
  3. Step 3: Cross multiply
    99,559.72x = 149,249.94 × 36,335.68
  4. Step 4: Simplify right side
    99,559.72x = 5,423,098,059.86
  5. Step 5: Solve for x
    x = 5,423,098,059.86/99,559.72
  6. Step 6: Final answer
    x = 54,470.80

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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.