Home / 81,305.60-121,976.33-24,377.24

Finding the Fourth Proportional to 81,305.60, 121,976.33 and 24,377.24

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Solution

The fourth proportional to 81,305.60, 121,976.33 and 24,377.24 is: 36,571.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,305.60 : 121,976.33 = 24,377.24 : x
  2. Step 2: Convert to fraction form
    81,305.60/121,976.33 = 24,377.24/x
  3. Step 3: Cross multiply
    81,305.60x = 121,976.33 × 24,377.24
  4. Step 4: Simplify right side
    81,305.60x = 2,973,446,270.73
  5. Step 5: Solve for x
    x = 2,973,446,270.73/81,305.60
  6. Step 6: Final answer
    x = 36,571.24

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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.