Home / 79,869.03-109,960.09-62,843.23

Finding the Fourth Proportional to 79,869.03, 109,960.09 and 62,843.23

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Solution

The fourth proportional to 79,869.03, 109,960.09 and 62,843.23 is: 86,519.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,869.03 : 109,960.09 = 62,843.23 : x
  2. Step 2: Convert to fraction form
    79,869.03/109,960.09 = 62,843.23/x
  3. Step 3: Cross multiply
    79,869.03x = 109,960.09 × 62,843.23
  4. Step 4: Simplify right side
    79,869.03x = 6,910,247,226.69
  5. Step 5: Solve for x
    x = 6,910,247,226.69/79,869.03
  6. Step 6: Final answer
    x = 86,519.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.