Home / 80,177.22-120,264.66-27,587.16

Finding the Fourth Proportional to 80,177.22, 120,264.66 and 27,587.16

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Solution

The fourth proportional to 80,177.22, 120,264.66 and 27,587.16 is: 41,380.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,177.22 : 120,264.66 = 27,587.16 : x
  2. Step 2: Convert to fraction form
    80,177.22/120,264.66 = 27,587.16/x
  3. Step 3: Cross multiply
    80,177.22x = 120,264.66 × 27,587.16
  4. Step 4: Simplify right side
    80,177.22x = 3,317,760,417.77
  5. Step 5: Solve for x
    x = 3,317,760,417.77/80,177.22
  6. Step 6: Final answer
    x = 41,380.34

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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.