Home / 120,635.37-166,477.82-66,923.87

Finding the Fourth Proportional to 120,635.37, 166,477.82 and 66,923.87

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Solution

The fourth proportional to 120,635.37, 166,477.82 and 66,923.87 is: 92,355.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,635.37 : 166,477.82 = 66,923.87 : x
  2. Step 2: Convert to fraction form
    120,635.37/166,477.82 = 66,923.87/x
  3. Step 3: Cross multiply
    120,635.37x = 166,477.82 × 66,923.87
  4. Step 4: Simplify right side
    120,635.37x = 11,141,338,816.56
  5. Step 5: Solve for x
    x = 11,141,338,816.56/120,635.37
  6. Step 6: Final answer
    x = 92,355.49

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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.