Home / 69,781.24-104,675.94-25,412.68

Finding the Fourth Proportional to 69,781.24, 104,675.94 and 25,412.68

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Solution

The fourth proportional to 69,781.24, 104,675.94 and 25,412.68 is: 38,120.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,781.24 : 104,675.94 = 25,412.68 : x
  2. Step 2: Convert to fraction form
    69,781.24/104,675.94 = 25,412.68/x
  3. Step 3: Cross multiply
    69,781.24x = 104,675.94 × 25,412.68
  4. Step 4: Simplify right side
    69,781.24x = 2,660,096,166.92
  5. Step 5: Solve for x
    x = 2,660,096,166.92/69,781.24
  6. Step 6: Final answer
    x = 38,120.51

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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.