Home / 54,654.13-81,992.72-17,715.25

Finding the Fourth Proportional to 54,654.13, 81,992.72 and 17,715.25

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Solution

The fourth proportional to 54,654.13, 81,992.72 and 17,715.25 is: 26,576.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,654.13 : 81,992.72 = 17,715.25 : x
  2. Step 2: Convert to fraction form
    54,654.13/81,992.72 = 17,715.25/x
  3. Step 3: Cross multiply
    54,654.13x = 81,992.72 × 17,715.25
  4. Step 4: Simplify right side
    54,654.13x = 1,452,521,532.98
  5. Step 5: Solve for x
    x = 1,452,521,532.98/54,654.13
  6. Step 6: Final answer
    x = 26,576.61

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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.