Home / 55,720.97-76,894.69-30,227.36

Finding the Fourth Proportional to 55,720.97, 76,894.69 and 30,227.36

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Solution

The fourth proportional to 55,720.97, 76,894.69 and 30,227.36 is: 41,713.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,720.97 : 76,894.69 = 30,227.36 : x
  2. Step 2: Convert to fraction form
    55,720.97/76,894.69 = 30,227.36/x
  3. Step 3: Cross multiply
    55,720.97x = 76,894.69 × 30,227.36
  4. Step 4: Simplify right side
    55,720.97x = 2,324,323,016.68
  5. Step 5: Solve for x
    x = 2,324,323,016.68/55,720.97
  6. Step 6: Final answer
    x = 41,713.61

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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.