Home / 82,198.13-123,286.81-26,043.94

Finding the Fourth Proportional to 82,198.13, 123,286.81 and 26,043.94

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Solution

The fourth proportional to 82,198.13, 123,286.81 and 26,043.94 is: 39,062.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,198.13 : 123,286.81 = 26,043.94 : x
  2. Step 2: Convert to fraction form
    82,198.13/123,286.81 = 26,043.94/x
  3. Step 3: Cross multiply
    82,198.13x = 123,286.81 × 26,043.94
  4. Step 4: Simplify right side
    82,198.13x = 3,210,873,535.78
  5. Step 5: Solve for x
    x = 3,210,873,535.78/82,198.13
  6. Step 6: Final answer
    x = 39,062.61

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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.