Home / 89,481.27-123,484.23-49,195.72

Finding the Fourth Proportional to 89,481.27, 123,484.23 and 49,195.72

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Solution

The fourth proportional to 89,481.27, 123,484.23 and 49,195.72 is: 67,890.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,481.27 : 123,484.23 = 49,195.72 : x
  2. Step 2: Convert to fraction form
    89,481.27/123,484.23 = 49,195.72/x
  3. Step 3: Cross multiply
    89,481.27x = 123,484.23 × 49,195.72
  4. Step 4: Simplify right side
    89,481.27x = 6,074,894,863.09
  5. Step 5: Solve for x
    x = 6,074,894,863.09/89,481.27
  6. Step 6: Final answer
    x = 67,890.13

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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.