Home / 54,311.70-81,467.55-50,375.10

Finding the Fourth Proportional to 54,311.70, 81,467.55 and 50,375.10

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Solution

The fourth proportional to 54,311.70, 81,467.55 and 50,375.10 is: 75,562.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,311.70 : 81,467.55 = 50,375.10 : x
  2. Step 2: Convert to fraction form
    54,311.70/81,467.55 = 50,375.10/x
  3. Step 3: Cross multiply
    54,311.70x = 81,467.55 × 50,375.10
  4. Step 4: Simplify right side
    54,311.70x = 4,103,935,978.01
  5. Step 5: Solve for x
    x = 4,103,935,978.01/54,311.70
  6. Step 6: Final answer
    x = 75,562.65

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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.