Home / 51,270.56-76,905.12-16,212.80

Finding the Fourth Proportional to 51,270.56, 76,905.12 and 16,212.80

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Solution

The fourth proportional to 51,270.56, 76,905.12 and 16,212.80 is: 24,318.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,270.56 : 76,905.12 = 16,212.80 : x
  2. Step 2: Convert to fraction form
    51,270.56/76,905.12 = 16,212.80/x
  3. Step 3: Cross multiply
    51,270.56x = 76,905.12 × 16,212.80
  4. Step 4: Simplify right side
    51,270.56x = 1,246,847,329.54
  5. Step 5: Solve for x
    x = 1,246,847,329.54/51,270.56
  6. Step 6: Final answer
    x = 24,318.97

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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.