Home / 124,792.82-172,213.79-68,204.60

Finding the Fourth Proportional to 124,792.82, 172,213.79 and 68,204.60

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Solution

The fourth proportional to 124,792.82, 172,213.79 and 68,204.60 is: 94,122.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,792.82 : 172,213.79 = 68,204.60 : x
  2. Step 2: Convert to fraction form
    124,792.82/172,213.79 = 68,204.60/x
  3. Step 3: Cross multiply
    124,792.82x = 172,213.79 × 68,204.60
  4. Step 4: Simplify right side
    124,792.82x = 11,745,772,661.43
  5. Step 5: Solve for x
    x = 11,745,772,661.43/124,792.82
  6. Step 6: Final answer
    x = 94,122.18

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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.