Home / 123,984.68-171,099.94-67,396.04

Finding the Fourth Proportional to 123,984.68, 171,099.94 and 67,396.04

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Solution

The fourth proportional to 123,984.68, 171,099.94 and 67,396.04 is: 93,007.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,984.68 : 171,099.94 = 67,396.04 : x
  2. Step 2: Convert to fraction form
    123,984.68/171,099.94 = 67,396.04/x
  3. Step 3: Cross multiply
    123,984.68x = 171,099.94 × 67,396.04
  4. Step 4: Simplify right side
    123,984.68x = 11,531,458,400.24
  5. Step 5: Solve for x
    x = 11,531,458,400.24/123,984.68
  6. Step 6: Final answer
    x = 93,007.12

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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.