Home / 115,387.20-173,105.10-48,793.05

Finding the Fourth Proportional to 115,387.20, 173,105.10 and 48,793.05

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Solution

The fourth proportional to 115,387.20, 173,105.10 and 48,793.05 is: 73,199.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,387.20 : 173,105.10 = 48,793.05 : x
  2. Step 2: Convert to fraction form
    115,387.20/173,105.10 = 48,793.05/x
  3. Step 3: Cross multiply
    115,387.20x = 173,105.10 × 48,793.05
  4. Step 4: Simplify right side
    115,387.20x = 8,446,325,799.56
  5. Step 5: Solve for x
    x = 8,446,325,799.56/115,387.20
  6. Step 6: Final answer
    x = 73,199.85

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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.