Home / 80,179.47-120,267.95-27,589.41

Finding the Fourth Proportional to 80,179.47, 120,267.95 and 27,589.41

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Solution

The fourth proportional to 80,179.47, 120,267.95 and 27,589.41 is: 41,383.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,179.47 : 120,267.95 = 27,589.41 : x
  2. Step 2: Convert to fraction form
    80,179.47/120,267.95 = 27,589.41/x
  3. Step 3: Cross multiply
    80,179.47x = 120,267.95 × 27,589.41
  4. Step 4: Simplify right side
    80,179.47x = 3,318,121,644.46
  5. Step 5: Solve for x
    x = 3,318,121,644.46/80,179.47
  6. Step 6: Final answer
    x = 41,383.68

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1.5x scale

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.