Home / 80,019.77-120,046.52-27,433.36

Finding the Fourth Proportional to 80,019.77, 120,046.52 and 27,433.36

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Solution

The fourth proportional to 80,019.77, 120,046.52 and 27,433.36 is: 41,155.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,019.77 : 120,046.52 = 27,433.36 : x
  2. Step 2: Convert to fraction form
    80,019.77/120,046.52 = 27,433.36/x
  3. Step 3: Cross multiply
    80,019.77x = 120,046.52 × 27,433.36
  4. Step 4: Simplify right side
    80,019.77x = 3,293,279,399.91
  5. Step 5: Solve for x
    x = 3,293,279,399.91/80,019.77
  6. Step 6: Final answer
    x = 41,155.82

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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.