Home / 98,745.36-148,048.92-36,399.12

Finding the Fourth Proportional to 98,745.36, 148,048.92 and 36,399.12

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Solution

The fourth proportional to 98,745.36, 148,048.92 and 36,399.12 is: 54,573.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,745.36 : 148,048.92 = 36,399.12 : x
  2. Step 2: Convert to fraction form
    98,745.36/148,048.92 = 36,399.12/x
  3. Step 3: Cross multiply
    98,745.36x = 148,048.92 × 36,399.12
  4. Step 4: Simplify right side
    98,745.36x = 5,388,850,404.95
  5. Step 5: Solve for x
    x = 5,388,850,404.95/98,745.36
  6. Step 6: Final answer
    x = 54,573.20

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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.