Home / 87,926.90-131,947.05-48,512.30

Finding the Fourth Proportional to 87,926.90, 131,947.05 and 48,512.30

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Solution

The fourth proportional to 87,926.90, 131,947.05 and 48,512.30 is: 72,799.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,926.90 : 131,947.05 = 48,512.30 : x
  2. Step 2: Convert to fraction form
    87,926.90/131,947.05 = 48,512.30/x
  3. Step 3: Cross multiply
    87,926.90x = 131,947.05 × 48,512.30
  4. Step 4: Simplify right side
    87,926.90x = 6,401,054,873.72
  5. Step 5: Solve for x
    x = 6,401,054,873.72/87,926.90
  6. Step 6: Final answer
    x = 72,799.73

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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.