Home / 107,343.57-161,044.52-76,375.65

Finding the Fourth Proportional to 107,343.57, 161,044.52 and 76,375.65

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Solution

The fourth proportional to 107,343.57, 161,044.52 and 76,375.65 is: 114,584.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,343.57 : 161,044.52 = 76,375.65 : x
  2. Step 2: Convert to fraction form
    107,343.57/161,044.52 = 76,375.65/x
  3. Step 3: Cross multiply
    107,343.57x = 161,044.52 × 76,375.65
  4. Step 4: Simplify right side
    107,343.57x = 12,299,879,512.06
  5. Step 5: Solve for x
    x = 12,299,879,512.06/107,343.57
  6. Step 6: Final answer
    x = 114,584.22

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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.