Home / 111,642.27-167,450.19-31,687.29

Finding the Fourth Proportional to 111,642.27, 167,450.19 and 31,687.29

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Solution

The fourth proportional to 111,642.27, 167,450.19 and 31,687.29 is: 47,527.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,642.27 : 167,450.19 = 31,687.29 : x
  2. Step 2: Convert to fraction form
    111,642.27/167,450.19 = 31,687.29/x
  3. Step 3: Cross multiply
    111,642.27x = 167,450.19 × 31,687.29
  4. Step 4: Simplify right side
    111,642.27x = 5,306,042,731.09
  5. Step 5: Solve for x
    x = 5,306,042,731.09/111,642.27
  6. Step 6: Final answer
    x = 47,527.18

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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.