Home / 81,996.08-122,716.08-50,425.94

Finding the Fourth Proportional to 81,996.08, 122,716.08 and 50,425.94

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Solution

The fourth proportional to 81,996.08, 122,716.08 and 50,425.94 is: 75,467.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,996.08 : 122,716.08 = 50,425.94 : x
  2. Step 2: Convert to fraction form
    81,996.08/122,716.08 = 50,425.94/x
  3. Step 3: Cross multiply
    81,996.08x = 122,716.08 × 50,425.94
  4. Step 4: Simplify right side
    81,996.08x = 6,188,073,687.12
  5. Step 5: Solve for x
    x = 6,188,073,687.12/81,996.08
  6. Step 6: Final answer
    x = 75,467.92

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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.