Home / 69,286.99-95,608.90-51,147.37

Finding the Fourth Proportional to 69,286.99, 95,608.90 and 51,147.37

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Solution

The fourth proportional to 69,286.99, 95,608.90 and 51,147.37 is: 70,578.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,286.99 : 95,608.90 = 51,147.37 : x
  2. Step 2: Convert to fraction form
    69,286.99/95,608.90 = 51,147.37/x
  3. Step 3: Cross multiply
    69,286.99x = 95,608.90 × 51,147.37
  4. Step 4: Simplify right side
    69,286.99x = 4,890,143,783.59
  5. Step 5: Solve for x
    x = 4,890,143,783.59/69,286.99
  6. Step 6: Final answer
    x = 70,578.10

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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.