Home / 87,819.29-131,733.59-27,852.48

Finding the Fourth Proportional to 87,819.29, 131,733.59 and 27,852.48

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Solution

The fourth proportional to 87,819.29, 131,733.59 and 27,852.48 is: 41,780.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,819.29 : 131,733.59 = 27,852.48 : x
  2. Step 2: Convert to fraction form
    87,819.29/131,733.59 = 27,852.48/x
  3. Step 3: Cross multiply
    87,819.29x = 131,733.59 × 27,852.48
  4. Step 4: Simplify right side
    87,819.29x = 3,669,107,568.71
  5. Step 5: Solve for x
    x = 3,669,107,568.71/87,819.29
  6. Step 6: Final answer
    x = 41,780.20

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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.