Home / 69,550.24-104,286.48-30,082.72

Finding the Fourth Proportional to 69,550.24, 104,286.48 and 30,082.72

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Solution

The fourth proportional to 69,550.24, 104,286.48 and 30,082.72 is: 45,107.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,550.24 : 104,286.48 = 30,082.72 : x
  2. Step 2: Convert to fraction form
    69,550.24/104,286.48 = 30,082.72/x
  3. Step 3: Cross multiply
    69,550.24x = 104,286.48 × 30,082.72
  4. Step 4: Simplify right side
    69,550.24x = 3,137,220,977.63
  5. Step 5: Solve for x
    x = 3,137,220,977.63/69,550.24
  6. Step 6: Final answer
    x = 45,107.26

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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.