Home / 123,759.04-170,787.63-67,170.43

Finding the Fourth Proportional to 123,759.04, 170,787.63 and 67,170.43

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Solution

The fourth proportional to 123,759.04, 170,787.63 and 67,170.43 is: 92,695.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,759.04 : 170,787.63 = 67,170.43 : x
  2. Step 2: Convert to fraction form
    123,759.04/170,787.63 = 67,170.43/x
  3. Step 3: Cross multiply
    123,759.04x = 170,787.63 × 67,170.43
  4. Step 4: Simplify right side
    123,759.04x = 11,471,878,545.78
  5. Step 5: Solve for x
    x = 11,471,878,545.78/123,759.04
  6. Step 6: Final answer
    x = 92,695.28

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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.