Home / 80,832.68-111,552.56-45,022.70

Finding the Fourth Proportional to 80,832.68, 111,552.56 and 45,022.70

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Solution

The fourth proportional to 80,832.68, 111,552.56 and 45,022.70 is: 62,133.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,832.68 : 111,552.56 = 45,022.70 : x
  2. Step 2: Convert to fraction form
    80,832.68/111,552.56 = 45,022.70/x
  3. Step 3: Cross multiply
    80,832.68x = 111,552.56 × 45,022.70
  4. Step 4: Simplify right side
    80,832.68x = 5,022,397,443.11
  5. Step 5: Solve for x
    x = 5,022,397,443.11/80,832.68
  6. Step 6: Final answer
    x = 62,133.25

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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.