Home / 80,766.23-121,160.43-27,443.88

Finding the Fourth Proportional to 80,766.23, 121,160.43 and 27,443.88

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Solution

The fourth proportional to 80,766.23, 121,160.43 and 27,443.88 is: 41,169.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,766.23 : 121,160.43 = 27,443.88 : x
  2. Step 2: Convert to fraction form
    80,766.23/121,160.43 = 27,443.88/x
  3. Step 3: Cross multiply
    80,766.23x = 121,160.43 × 27,443.88
  4. Step 4: Simplify right side
    80,766.23x = 3,325,112,301.67
  5. Step 5: Solve for x
    x = 3,325,112,301.67/80,766.23
  6. Step 6: Final answer
    x = 41,169.59

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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.