Home / 122,832.82-169,475.24-73,761.78

Finding the Fourth Proportional to 122,832.82, 169,475.24 and 73,761.78

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Solution

The fourth proportional to 122,832.82, 169,475.24 and 73,761.78 is: 101,770.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,832.82 : 169,475.24 = 73,761.78 : x
  2. Step 2: Convert to fraction form
    122,832.82/169,475.24 = 73,761.78/x
  3. Step 3: Cross multiply
    122,832.82x = 169,475.24 × 73,761.78
  4. Step 4: Simplify right side
    122,832.82x = 12,500,795,368.33
  5. Step 5: Solve for x
    x = 12,500,795,368.33/122,832.82
  6. Step 6: Final answer
    x = 101,770.81

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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.