Home / 84,568.28-126,859.91-22,238.78

Finding the Fourth Proportional to 84,568.28, 126,859.91 and 22,238.78

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Solution

The fourth proportional to 84,568.28, 126,859.91 and 22,238.78 is: 33,360.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,568.28 : 126,859.91 = 22,238.78 : x
  2. Step 2: Convert to fraction form
    84,568.28/126,859.91 = 22,238.78/x
  3. Step 3: Cross multiply
    84,568.28x = 126,859.91 × 22,238.78
  4. Step 4: Simplify right side
    84,568.28x = 2,821,208,883.82
  5. Step 5: Solve for x
    x = 2,821,208,883.82/84,568.28
  6. Step 6: Final answer
    x = 33,360.13

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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.