Home / 123,964.88-171,072.14-67,376.25

Finding the Fourth Proportional to 123,964.88, 171,072.14 and 67,376.25

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Solution

The fourth proportional to 123,964.88, 171,072.14 and 67,376.25 is: 92,979.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,964.88 : 171,072.14 = 67,376.25 : x
  2. Step 2: Convert to fraction form
    123,964.88/171,072.14 = 67,376.25/x
  3. Step 3: Cross multiply
    123,964.88x = 171,072.14 × 67,376.25
  4. Step 4: Simplify right side
    123,964.88x = 11,526,198,935.79
  5. Step 5: Solve for x
    x = 11,526,198,935.79/123,964.88
  6. Step 6: Final answer
    x = 92,979.56

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1.5x scale

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.