Home / 83,828.43-125,758.19-27,672.45

Finding the Fourth Proportional to 83,828.43, 125,758.19 and 27,672.45

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Solution

The fourth proportional to 83,828.43, 125,758.19 and 27,672.45 is: 41,513.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,828.43 : 125,758.19 = 27,672.45 : x
  2. Step 2: Convert to fraction form
    83,828.43/125,758.19 = 27,672.45/x
  3. Step 3: Cross multiply
    83,828.43x = 125,758.19 × 27,672.45
  4. Step 4: Simplify right side
    83,828.43x = 3,480,037,086.50
  5. Step 5: Solve for x
    x = 3,480,037,086.50/83,828.43
  6. Step 6: Final answer
    x = 41,513.80

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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.