Home / 83,072.91-114,640.67-51,260.27

Finding the Fourth Proportional to 83,072.91, 114,640.67 and 51,260.27

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Solution

The fourth proportional to 83,072.91, 114,640.67 and 51,260.27 is: 70,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,072.91 : 114,640.67 = 51,260.27 : x
  2. Step 2: Convert to fraction form
    83,072.91/114,640.67 = 51,260.27/x
  3. Step 3: Cross multiply
    83,072.91x = 114,640.67 × 51,260.27
  4. Step 4: Simplify right side
    83,072.91x = 5,876,510,867.68
  5. Step 5: Solve for x
    x = 5,876,510,867.68/83,072.91
  6. Step 6: Final answer
    x = 70,739.20

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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.