Home / 123,932-171,025.82-67,343.36

Finding the Fourth Proportional to 123,932, 171,025.82 and 67,343.36

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Solution

The fourth proportional to 123,932, 171,025.82 and 67,343.36 is: 92,933.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,932 : 171,025.82 = 67,343.36 : x
  2. Step 2: Convert to fraction form
    123,932/171,025.82 = 67,343.36/x
  3. Step 3: Cross multiply
    123,932x = 171,025.82 × 67,343.36
  4. Step 4: Simplify right side
    123,932x = 11,517,453,028.84
  5. Step 5: Solve for x
    x = 11,517,453,028.84/123,932
  6. Step 6: Final answer
    x = 92,933.65

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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.