Home / 83,361.96-125,055.93-27,945

Finding the Fourth Proportional to 83,361.96, 125,055.93 and 27,945

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Solution

The fourth proportional to 83,361.96, 125,055.93 and 27,945 is: 41,921.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,361.96 : 125,055.93 = 27,945 : x
  2. Step 2: Convert to fraction form
    83,361.96/125,055.93 = 27,945/x
  3. Step 3: Cross multiply
    83,361.96x = 125,055.93 × 27,945
  4. Step 4: Simplify right side
    83,361.96x = 3,494,687,963.85
  5. Step 5: Solve for x
    x = 3,494,687,963.85/83,361.96
  6. Step 6: Final answer
    x = 41,921.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.