Home / 107,968.78-148,993.71-60,221.05

Finding the Fourth Proportional to 107,968.78, 148,993.71 and 60,221.05

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Solution

The fourth proportional to 107,968.78, 148,993.71 and 60,221.05 is: 83,103.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,968.78 : 148,993.71 = 60,221.05 : x
  2. Step 2: Convert to fraction form
    107,968.78/148,993.71 = 60,221.05/x
  3. Step 3: Cross multiply
    107,968.78x = 148,993.71 × 60,221.05
  4. Step 4: Simplify right side
    107,968.78x = 8,972,557,659.60
  5. Step 5: Solve for x
    x = 8,972,557,659.60/107,968.78
  6. Step 6: Final answer
    x = 83,103.26

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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.