Home / 111,811.28-167,733.92-36,939.32

Finding the Fourth Proportional to 111,811.28, 167,733.92 and 36,939.32

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Solution

The fourth proportional to 111,811.28, 167,733.92 and 36,939.32 is: 55,414.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,811.28 : 167,733.92 = 36,939.32 : x
  2. Step 2: Convert to fraction form
    111,811.28/167,733.92 = 36,939.32/x
  3. Step 3: Cross multiply
    111,811.28x = 167,733.92 × 36,939.32
  4. Step 4: Simplify right side
    111,811.28x = 6,195,976,945.73
  5. Step 5: Solve for x
    x = 6,195,976,945.73/111,811.28
  6. Step 6: Final answer
    x = 55,414.60

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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.