Home / 51,975.94-71,745.24-30,755.16

Finding the Fourth Proportional to 51,975.94, 71,745.24 and 30,755.16

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Solution

The fourth proportional to 51,975.94, 71,745.24 and 30,755.16 is: 42,453.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,975.94 : 71,745.24 = 30,755.16 : x
  2. Step 2: Convert to fraction form
    51,975.94/71,745.24 = 30,755.16/x
  3. Step 3: Cross multiply
    51,975.94x = 71,745.24 × 30,755.16
  4. Step 4: Simplify right side
    51,975.94x = 2,206,536,335.44
  5. Step 5: Solve for x
    x = 2,206,536,335.44/51,975.94
  6. Step 6: Final answer
    x = 42,453.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.