Home / 51,443.08-77,163.72-27,761.56

Finding the Fourth Proportional to 51,443.08, 77,163.72 and 27,761.56

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Solution

The fourth proportional to 51,443.08, 77,163.72 and 27,761.56 is: 41,641.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,443.08 : 77,163.72 = 27,761.56 : x
  2. Step 2: Convert to fraction form
    51,443.08/77,163.72 = 27,761.56/x
  3. Step 3: Cross multiply
    51,443.08x = 77,163.72 × 27,761.56
  4. Step 4: Simplify right side
    51,443.08x = 2,142,185,242.60
  5. Step 5: Solve for x
    x = 2,142,185,242.60/51,443.08
  6. Step 6: Final answer
    x = 41,641.85

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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.