Home / 55,757.97-76,943.93-31,884.03

Finding the Fourth Proportional to 55,757.97, 76,943.93 and 31,884.03

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Solution

The fourth proportional to 55,757.97, 76,943.93 and 31,884.03 is: 43,998.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,757.97 : 76,943.93 = 31,884.03 : x
  2. Step 2: Convert to fraction form
    55,757.97/76,943.93 = 31,884.03/x
  3. Step 3: Cross multiply
    55,757.97x = 76,943.93 × 31,884.03
  4. Step 4: Simplify right side
    55,757.97x = 2,453,282,413.02
  5. Step 5: Solve for x
    x = 2,453,282,413.02/55,757.97
  6. Step 6: Final answer
    x = 43,998.78

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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.