Home / 89,229.60-123,143.11-50,994.79

Finding the Fourth Proportional to 89,229.60, 123,143.11 and 50,994.79

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Solution

The fourth proportional to 89,229.60, 123,143.11 and 50,994.79 is: 70,376.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,229.60 : 123,143.11 = 50,994.79 : x
  2. Step 2: Convert to fraction form
    89,229.60/123,143.11 = 50,994.79/x
  3. Step 3: Cross multiply
    89,229.60x = 123,143.11 × 50,994.79
  4. Step 4: Simplify right side
    89,229.60x = 6,279,656,599.05
  5. Step 5: Solve for x
    x = 6,279,656,599.05/89,229.60
  6. Step 6: Final answer
    x = 70,376.38

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1.5x scale

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.