Home / 87,833.41-131,722.88-31,666.25

Finding the Fourth Proportional to 87,833.41, 131,722.88 and 31,666.25

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Solution

The fourth proportional to 87,833.41, 131,722.88 and 31,666.25 is: 47,489.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,833.41 : 131,722.88 = 31,666.25 : x
  2. Step 2: Convert to fraction form
    87,833.41/131,722.88 = 31,666.25/x
  3. Step 3: Cross multiply
    87,833.41x = 131,722.88 × 31,666.25
  4. Step 4: Simplify right side
    87,833.41x = 4,171,169,819.78
  5. Step 5: Solve for x
    x = 4,171,169,819.78/87,833.41
  6. Step 6: Final answer
    x = 47,489.56

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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.