Home / 111,738.72-167,613.25-36,865.41

Finding the Fourth Proportional to 111,738.72, 167,613.25 and 36,865.41

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Solution

The fourth proportional to 111,738.72, 167,613.25 and 36,865.41 is: 55,299.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,738.72 : 167,613.25 = 36,865.41 : x
  2. Step 2: Convert to fraction form
    111,738.72/167,613.25 = 36,865.41/x
  3. Step 3: Cross multiply
    111,738.72x = 167,613.25 × 36,865.41
  4. Step 4: Simplify right side
    111,738.72x = 6,179,131,182.68
  5. Step 5: Solve for x
    x = 6,179,131,182.68/111,738.72
  6. Step 6: Final answer
    x = 55,299.82

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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.