Home / 98,886.78-148,270.37-38,843.38

Finding the Fourth Proportional to 98,886.78, 148,270.37 and 38,843.38

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Solution

The fourth proportional to 98,886.78, 148,270.37 and 38,843.38 is: 58,241.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,886.78 : 148,270.37 = 38,843.38 : x
  2. Step 2: Convert to fraction form
    98,886.78/148,270.37 = 38,843.38/x
  3. Step 3: Cross multiply
    98,886.78x = 148,270.37 × 38,843.38
  4. Step 4: Simplify right side
    98,886.78x = 5,759,322,324.65
  5. Step 5: Solve for x
    x = 5,759,322,324.65/98,886.78
  6. Step 6: Final answer
    x = 58,241.58

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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.