Home / 79,803.14-119,694.96-20,633.85

Finding the Fourth Proportional to 79,803.14, 119,694.96 and 20,633.85

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Solution

The fourth proportional to 79,803.14, 119,694.96 and 20,633.85 is: 30,948.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,803.14 : 119,694.96 = 20,633.85 : x
  2. Step 2: Convert to fraction form
    79,803.14/119,694.96 = 20,633.85/x
  3. Step 3: Cross multiply
    79,803.14x = 119,694.96 × 20,633.85
  4. Step 4: Simplify right side
    79,803.14x = 2,469,767,850.40
  5. Step 5: Solve for x
    x = 2,469,767,850.40/79,803.14
  6. Step 6: Final answer
    x = 30,948.26

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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.