Home / 80,431.26-120,662.60-24,275.94

Finding the Fourth Proportional to 80,431.26, 120,662.60 and 24,275.94

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Solution

The fourth proportional to 80,431.26, 120,662.60 and 24,275.94 is: 36,418.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,431.26 : 120,662.60 = 24,275.94 : x
  2. Step 2: Convert to fraction form
    80,431.26/120,662.60 = 24,275.94/x
  3. Step 3: Cross multiply
    80,431.26x = 120,662.60 × 24,275.94
  4. Step 4: Simplify right side
    80,431.26x = 2,929,198,037.84
  5. Step 5: Solve for x
    x = 2,929,198,037.84/80,431.26
  6. Step 6: Final answer
    x = 36,418.65

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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.