Home / 74,004.46-111,013.68-20,696.43

Finding the Fourth Proportional to 74,004.46, 111,013.68 and 20,696.43

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Solution

The fourth proportional to 74,004.46, 111,013.68 and 20,696.43 is: 31,046.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,004.46 : 111,013.68 = 20,696.43 : x
  2. Step 2: Convert to fraction form
    74,004.46/111,013.68 = 20,696.43/x
  3. Step 3: Cross multiply
    74,004.46x = 111,013.68 × 20,696.43
  4. Step 4: Simplify right side
    74,004.46x = 2,297,587,351.08
  5. Step 5: Solve for x
    x = 2,297,587,351.08/74,004.46
  6. Step 6: Final answer
    x = 31,046.61

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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.