Home / 83,736.77-125,324.48-68,743.07

Finding the Fourth Proportional to 83,736.77, 125,324.48 and 68,743.07

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Solution

The fourth proportional to 83,736.77, 125,324.48 and 68,743.07 is: 102,884.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,736.77 : 125,324.48 = 68,743.07 : x
  2. Step 2: Convert to fraction form
    83,736.77/125,324.48 = 68,743.07/x
  3. Step 3: Cross multiply
    83,736.77x = 125,324.48 × 68,743.07
  4. Step 4: Simplify right side
    83,736.77x = 8,615,189,046.59
  5. Step 5: Solve for x
    x = 8,615,189,046.59/83,736.77
  6. Step 6: Final answer
    x = 102,884.18

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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.