Home / 87,754.85-131,583.65-40,982.21

Finding the Fourth Proportional to 87,754.85, 131,583.65 and 40,982.21

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Solution

The fourth proportional to 87,754.85, 131,583.65 and 40,982.21 is: 61,450.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,754.85 : 131,583.65 = 40,982.21 : x
  2. Step 2: Convert to fraction form
    87,754.85/131,583.65 = 40,982.21/x
  3. Step 3: Cross multiply
    87,754.85x = 131,583.65 × 40,982.21
  4. Step 4: Simplify right side
    87,754.85x = 5,392,587,914.04
  5. Step 5: Solve for x
    x = 5,392,587,914.04/87,754.85
  6. Step 6: Final answer
    x = 61,450.60

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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.