Home / 123,264.28-170,104.62-66,675.70

Finding the Fourth Proportional to 123,264.28, 170,104.62 and 66,675.70

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Solution

The fourth proportional to 123,264.28, 170,104.62 and 66,675.70 is: 92,012.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,264.28 : 170,104.62 = 66,675.70 : x
  2. Step 2: Convert to fraction form
    123,264.28/170,104.62 = 66,675.70/x
  3. Step 3: Cross multiply
    123,264.28x = 170,104.62 × 66,675.70
  4. Step 4: Simplify right side
    123,264.28x = 11,341,844,611.73
  5. Step 5: Solve for x
    x = 11,341,844,611.73/123,264.28
  6. Step 6: Final answer
    x = 92,012.42

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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.