Home / 55,933.33-77,170.62-31,730.31

Finding the Fourth Proportional to 55,933.33, 77,170.62 and 31,730.31

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Solution

The fourth proportional to 55,933.33, 77,170.62 and 31,730.31 is: 43,777.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,933.33 : 77,170.62 = 31,730.31 : x
  2. Step 2: Convert to fraction form
    55,933.33/77,170.62 = 31,730.31/x
  3. Step 3: Cross multiply
    55,933.33x = 77,170.62 × 31,730.31
  4. Step 4: Simplify right side
    55,933.33x = 2,448,647,695.49
  5. Step 5: Solve for x
    x = 2,448,647,695.49/55,933.33
  6. Step 6: Final answer
    x = 43,777.97

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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.