Home / 50,069.82-69,099.66-28,850.43

Finding the Fourth Proportional to 50,069.82, 69,099.66 and 28,850.43

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Solution

The fourth proportional to 50,069.82, 69,099.66 and 28,850.43 is: 39,815.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,069.82 : 69,099.66 = 28,850.43 : x
  2. Step 2: Convert to fraction form
    50,069.82/69,099.66 = 28,850.43/x
  3. Step 3: Cross multiply
    50,069.82x = 69,099.66 × 28,850.43
  4. Step 4: Simplify right side
    50,069.82x = 1,993,554,903.85
  5. Step 5: Solve for x
    x = 1,993,554,903.85/50,069.82
  6. Step 6: Final answer
    x = 39,815.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.