Home / 81,725.06-122,578.41-22,569.14

Finding the Fourth Proportional to 81,725.06, 122,578.41 and 22,569.14

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Solution

The fourth proportional to 81,725.06, 122,578.41 and 22,569.14 is: 33,851.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,725.06 : 122,578.41 = 22,569.14 : x
  2. Step 2: Convert to fraction form
    81,725.06/122,578.41 = 22,569.14/x
  3. Step 3: Cross multiply
    81,725.06x = 122,578.41 × 22,569.14
  4. Step 4: Simplify right side
    81,725.06x = 2,766,489,296.27
  5. Step 5: Solve for x
    x = 2,766,489,296.27/81,725.06
  6. Step 6: Final answer
    x = 33,851.17

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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.