Home / 106,287.46-159,433.60-39,691.26

Finding the Fourth Proportional to 106,287.46, 159,433.60 and 39,691.26

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Solution

The fourth proportional to 106,287.46, 159,433.60 and 39,691.26 is: 59,537.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,287.46 : 159,433.60 = 39,691.26 : x
  2. Step 2: Convert to fraction form
    106,287.46/159,433.60 = 39,691.26/x
  3. Step 3: Cross multiply
    106,287.46x = 159,433.60 × 39,691.26
  4. Step 4: Simplify right side
    106,287.46x = 6,328,120,470.34
  5. Step 5: Solve for x
    x = 6,328,120,470.34/106,287.46
  6. Step 6: Final answer
    x = 59,537.79

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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.