Home / 82,517.99-113,876.64-50,254.12

Finding the Fourth Proportional to 82,517.99, 113,876.64 and 50,254.12

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Solution

The fourth proportional to 82,517.99, 113,876.64 and 50,254.12 is: 69,351.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,517.99 : 113,876.64 = 50,254.12 : x
  2. Step 2: Convert to fraction form
    82,517.99/113,876.64 = 50,254.12/x
  3. Step 3: Cross multiply
    82,517.99x = 113,876.64 × 50,254.12
  4. Step 4: Simplify right side
    82,517.99x = 5,722,770,687.62
  5. Step 5: Solve for x
    x = 5,722,770,687.62/82,517.99
  6. Step 6: Final answer
    x = 69,351.79

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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.