Home / 111,439.76-167,042.20-36,540.36

Finding the Fourth Proportional to 111,439.76, 167,042.20 and 36,540.36

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Solution

The fourth proportional to 111,439.76, 167,042.20 and 36,540.36 is: 54,772.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,439.76 : 167,042.20 = 36,540.36 : x
  2. Step 2: Convert to fraction form
    111,439.76/167,042.20 = 36,540.36/x
  3. Step 3: Cross multiply
    111,439.76x = 167,042.20 × 36,540.36
  4. Step 4: Simplify right side
    111,439.76x = 6,103,782,123.19
  5. Step 5: Solve for x
    x = 6,103,782,123.19/111,439.76
  6. Step 6: Final answer
    x = 54,772.03

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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.