Home / 87,819.09-131,766.12-27,852.39

Finding the Fourth Proportional to 87,819.09, 131,766.12 and 27,852.39

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Solution

The fourth proportional to 87,819.09, 131,766.12 and 27,852.39 is: 41,790.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,819.09 : 131,766.12 = 27,852.39 : x
  2. Step 2: Convert to fraction form
    87,819.09/131,766.12 = 27,852.39/x
  3. Step 3: Cross multiply
    87,819.09x = 131,766.12 × 27,852.39
  4. Step 4: Simplify right side
    87,819.09x = 3,670,001,363.03
  5. Step 5: Solve for x
    x = 3,670,001,363.03/87,819.09
  6. Step 6: Final answer
    x = 41,790.47

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1.5x scale

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.