Home / 87,750.19-131,641.69-35,163.78

Finding the Fourth Proportional to 87,750.19, 131,641.69 and 35,163.78

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Solution

The fourth proportional to 87,750.19, 131,641.69 and 35,163.78 is: 52,752.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,750.19 : 131,641.69 = 35,163.78 : x
  2. Step 2: Convert to fraction form
    87,750.19/131,641.69 = 35,163.78/x
  3. Step 3: Cross multiply
    87,750.19x = 131,641.69 × 35,163.78
  4. Step 4: Simplify right side
    87,750.19x = 4,629,019,425.99
  5. Step 5: Solve for x
    x = 4,629,019,425.99/87,750.19
  6. Step 6: Final answer
    x = 52,752.24

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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.