Home / 106,723.71-160,079.76-54,131.82

Finding the Fourth Proportional to 106,723.71, 160,079.76 and 54,131.82

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Solution

The fourth proportional to 106,723.71, 160,079.76 and 54,131.82 is: 81,194.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,723.71 : 160,079.76 = 54,131.82 : x
  2. Step 2: Convert to fraction form
    106,723.71/160,079.76 = 54,131.82/x
  3. Step 3: Cross multiply
    106,723.71x = 160,079.76 × 54,131.82
  4. Step 4: Simplify right side
    106,723.71x = 8,665,408,753.96
  5. Step 5: Solve for x
    x = 8,665,408,753.96/106,723.71
  6. Step 6: Final answer
    x = 81,194.79

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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.