Home / 80,832.24-111,546.96-45,025.20

Finding the Fourth Proportional to 80,832.24, 111,546.96 and 45,025.20

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Solution

The fourth proportional to 80,832.24, 111,546.96 and 45,025.20 is: 62,133.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,832.24 : 111,546.96 = 45,025.20 : x
  2. Step 2: Convert to fraction form
    80,832.24/111,546.96 = 45,025.20/x
  3. Step 3: Cross multiply
    80,832.24x = 111,546.96 × 45,025.20
  4. Step 4: Simplify right side
    80,832.24x = 5,022,424,183.39
  5. Step 5: Solve for x
    x = 5,022,424,183.39/80,832.24
  6. Step 6: Final answer
    x = 62,133.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.