Home / 69,788.82-96,317.91-39,585.09

Finding the Fourth Proportional to 69,788.82, 96,317.91 and 39,585.09

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Solution

The fourth proportional to 69,788.82, 96,317.91 and 39,585.09 is: 54,632.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,788.82 : 96,317.91 = 39,585.09 : x
  2. Step 2: Convert to fraction form
    69,788.82/96,317.91 = 39,585.09/x
  3. Step 3: Cross multiply
    69,788.82x = 96,317.91 × 39,585.09
  4. Step 4: Simplify right side
    69,788.82x = 3,812,753,135.96
  5. Step 5: Solve for x
    x = 3,812,753,135.96/69,788.82
  6. Step 6: Final answer
    x = 54,632.72

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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.