Home / 80,273.43-120,427.76-26,963.48

Finding the Fourth Proportional to 80,273.43, 120,427.76 and 26,963.48

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Solution

The fourth proportional to 80,273.43, 120,427.76 and 26,963.48 is: 40,451.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,273.43 : 120,427.76 = 26,963.48 : x
  2. Step 2: Convert to fraction form
    80,273.43/120,427.76 = 26,963.48/x
  3. Step 3: Cross multiply
    80,273.43x = 120,427.76 × 26,963.48
  4. Step 4: Simplify right side
    80,273.43x = 3,247,151,866.68
  5. Step 5: Solve for x
    x = 3,247,151,866.68/80,273.43
  6. Step 6: Final answer
    x = 40,451.14

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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.