Home / 87,608.18-131,442.74-27,645.90

Finding the Fourth Proportional to 87,608.18, 131,442.74 and 27,645.90

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Solution

The fourth proportional to 87,608.18, 131,442.74 and 27,645.90 is: 41,478.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,608.18 : 131,442.74 = 27,645.90 : x
  2. Step 2: Convert to fraction form
    87,608.18/131,442.74 = 27,645.90/x
  3. Step 3: Cross multiply
    87,608.18x = 131,442.74 × 27,645.90
  4. Step 4: Simplify right side
    87,608.18x = 3,633,852,914.88
  5. Step 5: Solve for x
    x = 3,633,852,914.88/87,608.18
  6. Step 6: Final answer
    x = 41,478.47

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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.