Home / 79,744.62-119,629.02-27,141.80

Finding the Fourth Proportional to 79,744.62, 119,629.02 and 27,141.80

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Solution

The fourth proportional to 79,744.62, 119,629.02 and 27,141.80 is: 40,716.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,744.62 : 119,629.02 = 27,141.80 : x
  2. Step 2: Convert to fraction form
    79,744.62/119,629.02 = 27,141.80/x
  3. Step 3: Cross multiply
    79,744.62x = 119,629.02 × 27,141.80
  4. Step 4: Simplify right side
    79,744.62x = 3,246,946,336.89
  5. Step 5: Solve for x
    x = 3,246,946,336.89/79,744.62
  6. Step 6: Final answer
    x = 40,716.81

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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.