Home / 54,530.20-81,872.10-33,794.20

Finding the Fourth Proportional to 54,530.20, 81,872.10 and 33,794.20

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Solution

The fourth proportional to 54,530.20, 81,872.10 and 33,794.20 is: 50,738.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,530.20 : 81,872.10 = 33,794.20 : x
  2. Step 2: Convert to fraction form
    54,530.20/81,872.10 = 33,794.20/x
  3. Step 3: Cross multiply
    54,530.20x = 81,872.10 × 33,794.20
  4. Step 4: Simplify right side
    54,530.20x = 2,766,802,121.82
  5. Step 5: Solve for x
    x = 2,766,802,121.82/54,530.20
  6. Step 6: Final answer
    x = 50,738.90

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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.