Home / 89,446.54-123,439.18-49,161.73

Finding the Fourth Proportional to 89,446.54, 123,439.18 and 49,161.73

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Solution

The fourth proportional to 89,446.54, 123,439.18 and 49,161.73 is: 67,844.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,446.54 : 123,439.18 = 49,161.73 : x
  2. Step 2: Convert to fraction form
    89,446.54/123,439.18 = 49,161.73/x
  3. Step 3: Cross multiply
    89,446.54x = 123,439.18 × 49,161.73
  4. Step 4: Simplify right side
    89,446.54x = 6,068,483,638.58
  5. Step 5: Solve for x
    x = 6,068,483,638.58/89,446.54
  6. Step 6: Final answer
    x = 67,844.81

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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.