Home / 81,727.88-122,598.86-22,563.56

Finding the Fourth Proportional to 81,727.88, 122,598.86 and 22,563.56

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Solution

The fourth proportional to 81,727.88, 122,598.86 and 22,563.56 is: 33,847.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,727.88 : 122,598.86 = 22,563.56 : x
  2. Step 2: Convert to fraction form
    81,727.88/122,598.86 = 22,563.56/x
  3. Step 3: Cross multiply
    81,727.88x = 122,598.86 × 22,563.56
  4. Step 4: Simplify right side
    81,727.88x = 2,766,266,007.73
  5. Step 5: Solve for x
    x = 2,766,266,007.73/81,727.88
  6. Step 6: Final answer
    x = 33,847.28

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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.