Home / 120,961.33-166,932.33-67,247.25

Finding the Fourth Proportional to 120,961.33, 166,932.33 and 67,247.25

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Solution

The fourth proportional to 120,961.33, 166,932.33 and 67,247.25 is: 92,804.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,961.33 : 166,932.33 = 67,247.25 : x
  2. Step 2: Convert to fraction form
    120,961.33/166,932.33 = 67,247.25/x
  3. Step 3: Cross multiply
    120,961.33x = 166,932.33 × 67,247.25
  4. Step 4: Simplify right side
    120,961.33x = 11,225,740,128.59
  5. Step 5: Solve for x
    x = 11,225,740,128.59/120,961.33
  6. Step 6: Final answer
    x = 92,804.37

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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.