Home / 51,183.40-76,688.70-33,644.20

Finding the Fourth Proportional to 51,183.40, 76,688.70 and 33,644.20

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Solution

The fourth proportional to 51,183.40, 76,688.70 and 33,644.20 is: 50,409.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,183.40 : 76,688.70 = 33,644.20 : x
  2. Step 2: Convert to fraction form
    51,183.40/76,688.70 = 33,644.20/x
  3. Step 3: Cross multiply
    51,183.40x = 76,688.70 × 33,644.20
  4. Step 4: Simplify right side
    51,183.40x = 2,580,129,960.54
  5. Step 5: Solve for x
    x = 2,580,129,960.54/51,183.40
  6. Step 6: Final answer
    x = 50,409.51

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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.