Home / 48,844.45-73,270.23-20,761.30

Finding the Fourth Proportional to 48,844.45, 73,270.23 and 20,761.30

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Solution

The fourth proportional to 48,844.45, 73,270.23 and 20,761.30 is: 31,143.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,844.45 : 73,270.23 = 20,761.30 : x
  2. Step 2: Convert to fraction form
    48,844.45/73,270.23 = 20,761.30/x
  3. Step 3: Cross multiply
    48,844.45x = 73,270.23 × 20,761.30
  4. Step 4: Simplify right side
    48,844.45x = 1,521,185,226.10
  5. Step 5: Solve for x
    x = 1,521,185,226.10/48,844.45
  6. Step 6: Final answer
    x = 31,143.46

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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.