Home / 87,440.22-131,124.12-27,448.65

Finding the Fourth Proportional to 87,440.22, 131,124.12 and 27,448.65

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Solution

The fourth proportional to 87,440.22, 131,124.12 and 27,448.65 is: 41,161.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,440.22 : 131,124.12 = 27,448.65 : x
  2. Step 2: Convert to fraction form
    87,440.22/131,124.12 = 27,448.65/x
  3. Step 3: Cross multiply
    87,440.22x = 131,124.12 × 27,448.65
  4. Step 4: Simplify right side
    87,440.22x = 3,599,179,939.19
  5. Step 5: Solve for x
    x = 3,599,179,939.19/87,440.22
  6. Step 6: Final answer
    x = 41,161.61

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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.