Home / 83,792.07-115,626.22-49,331.36

Finding the Fourth Proportional to 83,792.07, 115,626.22 and 49,331.36

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Solution

The fourth proportional to 83,792.07, 115,626.22 and 49,331.36 is: 68,073.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,792.07 : 115,626.22 = 49,331.36 : x
  2. Step 2: Convert to fraction form
    83,792.07/115,626.22 = 49,331.36/x
  3. Step 3: Cross multiply
    83,792.07x = 115,626.22 × 49,331.36
  4. Step 4: Simplify right side
    83,792.07x = 5,703,998,850.00
  5. Step 5: Solve for x
    x = 5,703,998,850.00/83,792.07
  6. Step 6: Final answer
    x = 68,073.25

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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.