Home / 81,738.27-122,608.94-22,575.51

Finding the Fourth Proportional to 81,738.27, 122,608.94 and 22,575.51

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Solution

The fourth proportional to 81,738.27, 122,608.94 and 22,575.51 is: 33,863.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,738.27 : 122,608.94 = 22,575.51 : x
  2. Step 2: Convert to fraction form
    81,738.27/122,608.94 = 22,575.51/x
  3. Step 3: Cross multiply
    81,738.27x = 122,608.94 × 22,575.51
  4. Step 4: Simplify right side
    81,738.27x = 2,767,959,351.06
  5. Step 5: Solve for x
    x = 2,767,959,351.06/81,738.27
  6. Step 6: Final answer
    x = 33,863.69

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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.