Home / 79,804.14-119,696.46-20,634.85

Finding the Fourth Proportional to 79,804.14, 119,696.46 and 20,634.85

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Solution

The fourth proportional to 79,804.14, 119,696.46 and 20,634.85 is: 30,949.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,804.14 : 119,696.46 = 20,634.85 : x
  2. Step 2: Convert to fraction form
    79,804.14/119,696.46 = 20,634.85/x
  3. Step 3: Cross multiply
    79,804.14x = 119,696.46 × 20,634.85
  4. Step 4: Simplify right side
    79,804.14x = 2,469,918,497.63
  5. Step 5: Solve for x
    x = 2,469,918,497.63/79,804.14
  6. Step 6: Final answer
    x = 30,949.75

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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.