Home / 79,041.54-109,079.94-43,231.56

Finding the Fourth Proportional to 79,041.54, 109,079.94 and 43,231.56

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Solution

The fourth proportional to 79,041.54, 109,079.94 and 43,231.56 is: 59,660.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,041.54 : 109,079.94 = 43,231.56 : x
  2. Step 2: Convert to fraction form
    79,041.54/109,079.94 = 43,231.56/x
  3. Step 3: Cross multiply
    79,041.54x = 109,079.94 × 43,231.56
  4. Step 4: Simplify right side
    79,041.54x = 4,715,695,480.80
  5. Step 5: Solve for x
    x = 4,715,695,480.80/79,041.54
  6. Step 6: Final answer
    x = 59,660.97

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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.