Home / 87,571.73-120,851.96-51,792.41

Finding the Fourth Proportional to 87,571.73, 120,851.96 and 51,792.41

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Solution

The fourth proportional to 87,571.73, 120,851.96 and 51,792.41 is: 71,475.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,571.73 : 120,851.96 = 51,792.41 : x
  2. Step 2: Convert to fraction form
    87,571.73/120,851.96 = 51,792.41/x
  3. Step 3: Cross multiply
    87,571.73x = 120,851.96 × 51,792.41
  4. Step 4: Simplify right side
    87,571.73x = 6,259,213,398.40
  5. Step 5: Solve for x
    x = 6,259,213,398.40/87,571.73
  6. Step 6: Final answer
    x = 71,475.28

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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.