Home / 85,083.89-127,616.16-22,759.25

Finding the Fourth Proportional to 85,083.89, 127,616.16 and 22,759.25

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Solution

The fourth proportional to 85,083.89, 127,616.16 and 22,759.25 is: 34,136.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,083.89 : 127,616.16 = 22,759.25 : x
  2. Step 2: Convert to fraction form
    85,083.89/127,616.16 = 22,759.25/x
  3. Step 3: Cross multiply
    85,083.89x = 127,616.16 × 22,759.25
  4. Step 4: Simplify right side
    85,083.89x = 2,904,448,089.48
  5. Step 5: Solve for x
    x = 2,904,448,089.48/85,083.89
  6. Step 6: Final answer
    x = 34,136.29

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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.