Home / 80,734.34-111,414.40-44,439.98

Finding the Fourth Proportional to 80,734.34, 111,414.40 and 44,439.98

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Solution

The fourth proportional to 80,734.34, 111,414.40 and 44,439.98 is: 61,327.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,734.34 : 111,414.40 = 44,439.98 : x
  2. Step 2: Convert to fraction form
    80,734.34/111,414.40 = 44,439.98/x
  3. Step 3: Cross multiply
    80,734.34x = 111,414.40 × 44,439.98
  4. Step 4: Simplify right side
    80,734.34x = 4,951,254,041.80
  5. Step 5: Solve for x
    x = 4,951,254,041.80/80,734.34
  6. Step 6: Final answer
    x = 61,327.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.