Home / 87,648.96-131,428.42-40,223.23

Finding the Fourth Proportional to 87,648.96, 131,428.42 and 40,223.23

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Solution

The fourth proportional to 87,648.96, 131,428.42 and 40,223.23 is: 60,314.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,648.96 : 131,428.42 = 40,223.23 : x
  2. Step 2: Convert to fraction form
    87,648.96/131,428.42 = 40,223.23/x
  3. Step 3: Cross multiply
    87,648.96x = 131,428.42 × 40,223.23
  4. Step 4: Simplify right side
    87,648.96x = 5,286,475,566.20
  5. Step 5: Solve for x
    x = 5,286,475,566.20/87,648.96
  6. Step 6: Final answer
    x = 60,314.18

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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.