Home / 87,553.32-131,342.94-32,145

Finding the Fourth Proportional to 87,553.32, 131,342.94 and 32,145

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Solution

The fourth proportional to 87,553.32, 131,342.94 and 32,145 is: 48,222.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,553.32 : 131,342.94 = 32,145 : x
  2. Step 2: Convert to fraction form
    87,553.32/131,342.94 = 32,145/x
  3. Step 3: Cross multiply
    87,553.32x = 131,342.94 × 32,145
  4. Step 4: Simplify right side
    87,553.32x = 4,222,018,806.30
  5. Step 5: Solve for x
    x = 4,222,018,806.30/87,553.32
  6. Step 6: Final answer
    x = 48,222.26

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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.