Home / 90,778.38-136,167.33-27,598.22

Finding the Fourth Proportional to 90,778.38, 136,167.33 and 27,598.22

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Solution

The fourth proportional to 90,778.38, 136,167.33 and 27,598.22 is: 41,397.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,778.38 : 136,167.33 = 27,598.22 : x
  2. Step 2: Convert to fraction form
    90,778.38/136,167.33 = 27,598.22/x
  3. Step 3: Cross multiply
    90,778.38x = 136,167.33 × 27,598.22
  4. Step 4: Simplify right side
    90,778.38x = 3,757,976,629.38
  5. Step 5: Solve for x
    x = 3,757,976,629.38/90,778.38
  6. Step 6: Final answer
    x = 41,397.27

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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.