Home / 69,855.09-104,781.62-17,264.58

Finding the Fourth Proportional to 69,855.09, 104,781.62 and 17,264.58

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Solution

The fourth proportional to 69,855.09, 104,781.62 and 17,264.58 is: 25,896.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,855.09 : 104,781.62 = 17,264.58 : x
  2. Step 2: Convert to fraction form
    69,855.09/104,781.62 = 17,264.58/x
  3. Step 3: Cross multiply
    69,855.09x = 104,781.62 × 17,264.58
  4. Step 4: Simplify right side
    69,855.09x = 1,809,010,574.70
  5. Step 5: Solve for x
    x = 1,809,010,574.70/69,855.09
  6. Step 6: Final answer
    x = 25,896.62

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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.