Home / 80,805.44-121,226.52-24,650.57

Finding the Fourth Proportional to 80,805.44, 121,226.52 and 24,650.57

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Solution

The fourth proportional to 80,805.44, 121,226.52 and 24,650.57 is: 36,981.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,805.44 : 121,226.52 = 24,650.57 : x
  2. Step 2: Convert to fraction form
    80,805.44/121,226.52 = 24,650.57/x
  3. Step 3: Cross multiply
    80,805.44x = 121,226.52 × 24,650.57
  4. Step 4: Simplify right side
    80,805.44x = 2,988,302,817.12
  5. Step 5: Solve for x
    x = 2,988,302,817.12/80,805.44
  6. Step 6: Final answer
    x = 36,981.46

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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.