Home / 80,371.14-110,940.87-54,859.24

Finding the Fourth Proportional to 80,371.14, 110,940.87 and 54,859.24

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Solution

The fourth proportional to 80,371.14, 110,940.87 and 54,859.24 is: 75,725.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,371.14 : 110,940.87 = 54,859.24 : x
  2. Step 2: Convert to fraction form
    80,371.14/110,940.87 = 54,859.24/x
  3. Step 3: Cross multiply
    80,371.14x = 110,940.87 × 54,859.24
  4. Step 4: Simplify right side
    80,371.14x = 6,086,131,813.14
  5. Step 5: Solve for x
    x = 6,086,131,813.14/80,371.14
  6. Step 6: Final answer
    x = 75,725.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.