Home / 49,739.47-68,638.79-27,078.03

Finding the Fourth Proportional to 49,739.47, 68,638.79 and 27,078.03

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Solution

The fourth proportional to 49,739.47, 68,638.79 and 27,078.03 is: 37,366.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,739.47 : 68,638.79 = 27,078.03 : x
  2. Step 2: Convert to fraction form
    49,739.47/68,638.79 = 27,078.03/x
  3. Step 3: Cross multiply
    49,739.47x = 68,638.79 × 27,078.03
  4. Step 4: Simplify right side
    49,739.47x = 1,858,603,282.48
  5. Step 5: Solve for x
    x = 1,858,603,282.48/49,739.47
  6. Step 6: Final answer
    x = 37,366.77

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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.