Home / 123,974.07-171,072.26-69,528.45

Finding the Fourth Proportional to 123,974.07, 171,072.26 and 69,528.45

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Solution

The fourth proportional to 123,974.07, 171,072.26 and 69,528.45 is: 95,942.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,974.07 : 171,072.26 = 69,528.45 : x
  2. Step 2: Convert to fraction form
    123,974.07/171,072.26 = 69,528.45/x
  3. Step 3: Cross multiply
    123,974.07x = 171,072.26 × 69,528.45
  4. Step 4: Simplify right side
    123,974.07x = 11,894,388,086.63
  5. Step 5: Solve for x
    x = 11,894,388,086.63/123,974.07
  6. Step 6: Final answer
    x = 95,942.55

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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.