Home / 83,835.69-125,769.06-27,679.71

Finding the Fourth Proportional to 83,835.69, 125,769.06 and 27,679.71

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Solution

The fourth proportional to 83,835.69, 125,769.06 and 27,679.71 is: 41,524.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,835.69 : 125,769.06 = 27,679.71 : x
  2. Step 2: Convert to fraction form
    83,835.69/125,769.06 = 27,679.71/x
  3. Step 3: Cross multiply
    83,835.69x = 125,769.06 × 27,679.71
  4. Step 4: Simplify right side
    83,835.69x = 3,481,251,107.77
  5. Step 5: Solve for x
    x = 3,481,251,107.77/83,835.69
  6. Step 6: Final answer
    x = 41,524.69

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1.5x scale

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.