Home / 49,745.43-68,629.88-31,837.55

Finding the Fourth Proportional to 49,745.43, 68,629.88 and 31,837.55

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Solution

The fourth proportional to 49,745.43, 68,629.88 and 31,837.55 is: 43,923.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,745.43 : 68,629.88 = 31,837.55 : x
  2. Step 2: Convert to fraction form
    49,745.43/68,629.88 = 31,837.55/x
  3. Step 3: Cross multiply
    49,745.43x = 68,629.88 × 31,837.55
  4. Step 4: Simplify right side
    49,745.43x = 2,185,006,972.44
  5. Step 5: Solve for x
    x = 2,185,006,972.44/49,745.43
  6. Step 6: Final answer
    x = 43,923.77

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1.5x scale

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.