Home / 106,010.88-158,951.20-45,149.64

Finding the Fourth Proportional to 106,010.88, 158,951.20 and 45,149.64

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Solution

The fourth proportional to 106,010.88, 158,951.20 and 45,149.64 is: 67,696.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,010.88 : 158,951.20 = 45,149.64 : x
  2. Step 2: Convert to fraction form
    106,010.88/158,951.20 = 45,149.64/x
  3. Step 3: Cross multiply
    106,010.88x = 158,951.20 × 45,149.64
  4. Step 4: Simplify right side
    106,010.88x = 7,176,589,457.57
  5. Step 5: Solve for x
    x = 7,176,589,457.57/106,010.88
  6. Step 6: Final answer
    x = 67,696.73

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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.