Home / 80,815.44-121,241.52-24,660.57

Finding the Fourth Proportional to 80,815.44, 121,241.52 and 24,660.57

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Solution

The fourth proportional to 80,815.44, 121,241.52 and 24,660.57 is: 36,996.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,815.44 : 121,241.52 = 24,660.57 : x
  2. Step 2: Convert to fraction form
    80,815.44/121,241.52 = 24,660.57/x
  3. Step 3: Cross multiply
    80,815.44x = 121,241.52 × 24,660.57
  4. Step 4: Simplify right side
    80,815.44x = 2,989,884,990.87
  5. Step 5: Solve for x
    x = 2,989,884,990.87/80,815.44
  6. Step 6: Final answer
    x = 36,996.46

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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.