Home / 54,011.10-81,016.65-50,727.90

Finding the Fourth Proportional to 54,011.10, 81,016.65 and 50,727.90

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Solution

The fourth proportional to 54,011.10, 81,016.65 and 50,727.90 is: 76,091.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,011.10 : 81,016.65 = 50,727.90 : x
  2. Step 2: Convert to fraction form
    54,011.10/81,016.65 = 50,727.90/x
  3. Step 3: Cross multiply
    54,011.10x = 81,016.65 × 50,727.90
  4. Step 4: Simplify right side
    54,011.10x = 4,109,804,519.54
  5. Step 5: Solve for x
    x = 4,109,804,519.54/54,011.10
  6. Step 6: Final answer
    x = 76,091.85

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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.