Home / 80,012.16-119,989.44-27,407.52

Finding the Fourth Proportional to 80,012.16, 119,989.44 and 27,407.52

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Solution

The fourth proportional to 80,012.16, 119,989.44 and 27,407.52 is: 41,101.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,012.16 : 119,989.44 = 27,407.52 : x
  2. Step 2: Convert to fraction form
    80,012.16/119,989.44 = 27,407.52/x
  3. Step 3: Cross multiply
    80,012.16x = 119,989.44 × 27,407.52
  4. Step 4: Simplify right side
    80,012.16x = 3,288,612,976.59
  5. Step 5: Solve for x
    x = 3,288,612,976.59/80,012.16
  6. Step 6: Final answer
    x = 41,101.41

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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.