Home / 87,624.93-131,550.39-75,224.64

Finding the Fourth Proportional to 87,624.93, 131,550.39 and 75,224.64

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Solution

The fourth proportional to 87,624.93, 131,550.39 and 75,224.64 is: 112,933.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,624.93 : 131,550.39 = 75,224.64 : x
  2. Step 2: Convert to fraction form
    87,624.93/131,550.39 = 75,224.64/x
  3. Step 3: Cross multiply
    87,624.93x = 131,550.39 × 75,224.64
  4. Step 4: Simplify right side
    87,624.93x = 9,895,830,729.61
  5. Step 5: Solve for x
    x = 9,895,830,729.61/87,624.93
  6. Step 6: Final answer
    x = 112,933.96

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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.