Home / 91,078.43-125,687.99-50,792.24

Finding the Fourth Proportional to 91,078.43, 125,687.99 and 50,792.24

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Solution

The fourth proportional to 91,078.43, 125,687.99 and 50,792.24 is: 70,093.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,078.43 : 125,687.99 = 50,792.24 : x
  2. Step 2: Convert to fraction form
    91,078.43/125,687.99 = 50,792.24/x
  3. Step 3: Cross multiply
    91,078.43x = 125,687.99 × 50,792.24
  4. Step 4: Simplify right side
    91,078.43x = 6,383,974,553.20
  5. Step 5: Solve for x
    x = 6,383,974,553.20/91,078.43
  6. Step 6: Final answer
    x = 70,093.16

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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.