Home / 123,966.53-171,074.94-67,378.04

Finding the Fourth Proportional to 123,966.53, 171,074.94 and 67,378.04

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Solution

The fourth proportional to 123,966.53, 171,074.94 and 67,378.04 is: 92,982.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,966.53 : 171,074.94 = 67,378.04 : x
  2. Step 2: Convert to fraction form
    123,966.53/171,074.94 = 67,378.04/x
  3. Step 3: Cross multiply
    123,966.53x = 171,074.94 × 67,378.04
  4. Step 4: Simplify right side
    123,966.53x = 11,526,694,150.32
  5. Step 5: Solve for x
    x = 11,526,694,150.32/123,966.53
  6. Step 6: Final answer
    x = 92,982.31

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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.