Home / 89,504.26-123,512.65-49,217.65

Finding the Fourth Proportional to 89,504.26, 123,512.65 and 49,217.65

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Solution

The fourth proportional to 89,504.26, 123,512.65 and 49,217.65 is: 67,918.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,504.26 : 123,512.65 = 49,217.65 : x
  2. Step 2: Convert to fraction form
    89,504.26/123,512.65 = 49,217.65/x
  3. Step 3: Cross multiply
    89,504.26x = 123,512.65 × 49,217.65
  4. Step 4: Simplify right side
    89,504.26x = 6,079,002,378.27
  5. Step 5: Solve for x
    x = 6,079,002,378.27/89,504.26
  6. Step 6: Final answer
    x = 67,918.58

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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.