Home / 69,850.62-96,390.99-39,635.33

Finding the Fourth Proportional to 69,850.62, 96,390.99 and 39,635.33

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Solution

The fourth proportional to 69,850.62, 96,390.99 and 39,635.33 is: 54,695.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,850.62 : 96,390.99 = 39,635.33 : x
  2. Step 2: Convert to fraction form
    69,850.62/96,390.99 = 39,635.33/x
  3. Step 3: Cross multiply
    69,850.62x = 96,390.99 × 39,635.33
  4. Step 4: Simplify right side
    69,850.62x = 3,820,488,215.72
  5. Step 5: Solve for x
    x = 3,820,488,215.72/69,850.62
  6. Step 6: Final answer
    x = 54,695.12

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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.