Home / 129,845.99-194,651.40-50,939.03

Finding the Fourth Proportional to 129,845.99, 194,651.40 and 50,939.03

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Solution

The fourth proportional to 129,845.99, 194,651.40 and 50,939.03 is: 76,362.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,845.99 : 194,651.40 = 50,939.03 : x
  2. Step 2: Convert to fraction form
    129,845.99/194,651.40 = 50,939.03/x
  3. Step 3: Cross multiply
    129,845.99x = 194,651.40 × 50,939.03
  4. Step 4: Simplify right side
    129,845.99x = 9,915,353,504.14
  5. Step 5: Solve for x
    x = 9,915,353,504.14/129,845.99
  6. Step 6: Final answer
    x = 76,362.42

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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.