Home / 129,679.24-194,441.04-50,699.32

Finding the Fourth Proportional to 129,679.24, 194,441.04 and 50,699.32

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Solution

The fourth proportional to 129,679.24, 194,441.04 and 50,699.32 is: 76,018.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,679.24 : 194,441.04 = 50,699.32 : x
  2. Step 2: Convert to fraction form
    129,679.24/194,441.04 = 50,699.32/x
  3. Step 3: Cross multiply
    129,679.24x = 194,441.04 × 50,699.32
  4. Step 4: Simplify right side
    129,679.24x = 9,858,028,508.09
  5. Step 5: Solve for x
    x = 9,858,028,508.09/129,679.24
  6. Step 6: Final answer
    x = 76,018.56

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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.