Home / 83,834.57-125,767.38-27,678.59

Finding the Fourth Proportional to 83,834.57, 125,767.38 and 27,678.59

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Solution

The fourth proportional to 83,834.57, 125,767.38 and 27,678.59 is: 41,523.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,834.57 : 125,767.38 = 27,678.59 : x
  2. Step 2: Convert to fraction form
    83,834.57/125,767.38 = 27,678.59/x
  3. Step 3: Cross multiply
    83,834.57x = 125,767.38 × 27,678.59
  4. Step 4: Simplify right side
    83,834.57x = 3,481,063,117.56
  5. Step 5: Solve for x
    x = 3,481,063,117.56/83,834.57
  6. Step 6: Final answer
    x = 41,523.01

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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.