Home / 80,106.54-120,167.91-27,508.92

Finding the Fourth Proportional to 80,106.54, 120,167.91 and 27,508.92

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Solution

The fourth proportional to 80,106.54, 120,167.91 and 27,508.92 is: 41,266.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,106.54 : 120,167.91 = 27,508.92 : x
  2. Step 2: Convert to fraction form
    80,106.54/120,167.91 = 27,508.92/x
  3. Step 3: Cross multiply
    80,106.54x = 120,167.91 × 27,508.92
  4. Step 4: Simplify right side
    80,106.54x = 3,305,689,422.76
  5. Step 5: Solve for x
    x = 3,305,689,422.76/80,106.54
  6. Step 6: Final answer
    x = 41,266.16

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1.5x scale

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.