Home / 79,359.75-109,519.62-43,551.05

Finding the Fourth Proportional to 79,359.75, 109,519.62 and 43,551.05

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Solution

The fourth proportional to 79,359.75, 109,519.62 and 43,551.05 is: 60,102.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,359.75 : 109,519.62 = 43,551.05 : x
  2. Step 2: Convert to fraction form
    79,359.75/109,519.62 = 43,551.05/x
  3. Step 3: Cross multiply
    79,359.75x = 109,519.62 × 43,551.05
  4. Step 4: Simplify right side
    79,359.75x = 4,769,694,008.68
  5. Step 5: Solve for x
    x = 4,769,694,008.68/79,359.75
  6. Step 6: Final answer
    x = 60,102.18

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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.