Home / 49,270.20-73,905.30-18,127.80

Finding the Fourth Proportional to 49,270.20, 73,905.30 and 18,127.80

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Solution

The fourth proportional to 49,270.20, 73,905.30 and 18,127.80 is: 27,191.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,270.20 : 73,905.30 = 18,127.80 : x
  2. Step 2: Convert to fraction form
    49,270.20/73,905.30 = 18,127.80/x
  3. Step 3: Cross multiply
    49,270.20x = 73,905.30 × 18,127.80
  4. Step 4: Simplify right side
    49,270.20x = 1,339,740,497.34
  5. Step 5: Solve for x
    x = 1,339,740,497.34/49,270.20
  6. Step 6: Final answer
    x = 27,191.70

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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.