Home / 98,227.44-135,554.78-55,786.28

Finding the Fourth Proportional to 98,227.44, 135,554.78 and 55,786.28

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Solution

The fourth proportional to 98,227.44, 135,554.78 and 55,786.28 is: 76,985.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,227.44 : 135,554.78 = 55,786.28 : x
  2. Step 2: Convert to fraction form
    98,227.44/135,554.78 = 55,786.28/x
  3. Step 3: Cross multiply
    98,227.44x = 135,554.78 × 55,786.28
  4. Step 4: Simplify right side
    98,227.44x = 7,562,096,912.42
  5. Step 5: Solve for x
    x = 7,562,096,912.42/98,227.44
  6. Step 6: Final answer
    x = 76,985.58

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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.