Home / 49,186.10-73,626.42-26,640.78

Finding the Fourth Proportional to 49,186.10, 73,626.42 and 26,640.78

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Solution

The fourth proportional to 49,186.10, 73,626.42 and 26,640.78 is: 39,878.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,186.10 : 73,626.42 = 26,640.78 : x
  2. Step 2: Convert to fraction form
    49,186.10/73,626.42 = 26,640.78/x
  3. Step 3: Cross multiply
    49,186.10x = 73,626.42 × 26,640.78
  4. Step 4: Simplify right side
    49,186.10x = 1,961,465,257.41
  5. Step 5: Solve for x
    x = 1,961,465,257.41/49,186.10
  6. Step 6: Final answer
    x = 39,878.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.