Home / 110,921.10-166,381.65-40,791.30

Finding the Fourth Proportional to 110,921.10, 166,381.65 and 40,791.30

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Solution

The fourth proportional to 110,921.10, 166,381.65 and 40,791.30 is: 61,186.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,921.10 : 166,381.65 = 40,791.30 : x
  2. Step 2: Convert to fraction form
    110,921.10/166,381.65 = 40,791.30/x
  3. Step 3: Cross multiply
    110,921.10x = 166,381.65 × 40,791.30
  4. Step 4: Simplify right side
    110,921.10x = 6,786,923,799.65
  5. Step 5: Solve for x
    x = 6,786,923,799.65/110,921.10
  6. Step 6: Final answer
    x = 61,186.95

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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.