Home / 111,778.47-167,667.75-27,540.27

Finding the Fourth Proportional to 111,778.47, 167,667.75 and 27,540.27

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Solution

The fourth proportional to 111,778.47, 167,667.75 and 27,540.27 is: 41,310.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,778.47 : 167,667.75 = 27,540.27 : x
  2. Step 2: Convert to fraction form
    111,778.47/167,667.75 = 27,540.27/x
  3. Step 3: Cross multiply
    111,778.47x = 167,667.75 × 27,540.27
  4. Step 4: Simplify right side
    111,778.47x = 4,617,615,105.29
  5. Step 5: Solve for x
    x = 4,617,615,105.29/111,778.47
  6. Step 6: Final answer
    x = 41,310.42

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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.