Home / 80,595.24-120,851.12-36,183.76

Finding the Fourth Proportional to 80,595.24, 120,851.12 and 36,183.76

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Solution

The fourth proportional to 80,595.24, 120,851.12 and 36,183.76 is: 54,256.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,595.24 : 120,851.12 = 36,183.76 : x
  2. Step 2: Convert to fraction form
    80,595.24/120,851.12 = 36,183.76/x
  3. Step 3: Cross multiply
    80,595.24x = 120,851.12 × 36,183.76
  4. Step 4: Simplify right side
    80,595.24x = 4,372,847,921.81
  5. Step 5: Solve for x
    x = 4,372,847,921.81/80,595.24
  6. Step 6: Final answer
    x = 54,256.90

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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.