Home / 87,958.46-131,940.12-75,400.22

Finding the Fourth Proportional to 87,958.46, 131,940.12 and 75,400.22

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Solution

The fourth proportional to 87,958.46, 131,940.12 and 75,400.22 is: 113,102.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,958.46 : 131,940.12 = 75,400.22 : x
  2. Step 2: Convert to fraction form
    87,958.46/131,940.12 = 75,400.22/x
  3. Step 3: Cross multiply
    87,958.46x = 131,940.12 × 75,400.22
  4. Step 4: Simplify right side
    87,958.46x = 9,948,314,074.83
  5. Step 5: Solve for x
    x = 9,948,314,074.83/87,958.46
  6. Step 6: Final answer
    x = 113,102.41

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1.5x scale

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.