Home / 82,917.72-124,394.30-26,761.03

Finding the Fourth Proportional to 82,917.72, 124,394.30 and 26,761.03

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Solution

The fourth proportional to 82,917.72, 124,394.30 and 26,761.03 is: 40,147.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,917.72 : 124,394.30 = 26,761.03 : x
  2. Step 2: Convert to fraction form
    82,917.72/124,394.30 = 26,761.03/x
  3. Step 3: Cross multiply
    82,917.72x = 124,394.30 × 26,761.03
  4. Step 4: Simplify right side
    82,917.72x = 3,328,919,594.13
  5. Step 5: Solve for x
    x = 3,328,919,594.13/82,917.72
  6. Step 6: Final answer
    x = 40,147.26

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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.