Home / 69,781.11-96,295.87-39,569.19

Finding the Fourth Proportional to 69,781.11, 96,295.87 and 39,569.19

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Solution

The fourth proportional to 69,781.11, 96,295.87 and 39,569.19 is: 54,604.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,781.11 : 96,295.87 = 39,569.19 : x
  2. Step 2: Convert to fraction form
    69,781.11/96,295.87 = 39,569.19/x
  3. Step 3: Cross multiply
    69,781.11x = 96,295.87 × 39,569.19
  4. Step 4: Simplify right side
    69,781.11x = 3,810,348,896.92
  5. Step 5: Solve for x
    x = 3,810,348,896.92/69,781.11
  6. Step 6: Final answer
    x = 54,604.31

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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.