Home / 79,768.20-119,629.26-27,176.52

Finding the Fourth Proportional to 79,768.20, 119,629.26 and 27,176.52

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Solution

The fourth proportional to 79,768.20, 119,629.26 and 27,176.52 is: 40,756.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,768.20 : 119,629.26 = 27,176.52 : x
  2. Step 2: Convert to fraction form
    79,768.20/119,629.26 = 27,176.52/x
  3. Step 3: Cross multiply
    79,768.20x = 119,629.26 × 27,176.52
  4. Step 4: Simplify right side
    79,768.20x = 3,251,106,976.98
  5. Step 5: Solve for x
    x = 3,251,106,976.98/79,768.20
  6. Step 6: Final answer
    x = 40,756.93

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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.