Home / 98,016.21-146,957.78-49,866.48

Finding the Fourth Proportional to 98,016.21, 146,957.78 and 49,866.48

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Solution

The fourth proportional to 98,016.21, 146,957.78 and 49,866.48 is: 74,765.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,016.21 : 146,957.78 = 49,866.48 : x
  2. Step 2: Convert to fraction form
    98,016.21/146,957.78 = 49,866.48/x
  3. Step 3: Cross multiply
    98,016.21x = 146,957.78 × 49,866.48
  4. Step 4: Simplify right side
    98,016.21x = 7,328,267,321.88
  5. Step 5: Solve for x
    x = 7,328,267,321.88/98,016.21
  6. Step 6: Final answer
    x = 74,765.87

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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.