Home / 123,325.99-170,190.09-66,737.38

Finding the Fourth Proportional to 123,325.99, 170,190.09 and 66,737.38

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Solution

The fourth proportional to 123,325.99, 170,190.09 and 66,737.38 is: 92,097.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,325.99 : 170,190.09 = 66,737.38 : x
  2. Step 2: Convert to fraction form
    123,325.99/170,190.09 = 66,737.38/x
  3. Step 3: Cross multiply
    123,325.99x = 170,190.09 × 66,737.38
  4. Step 4: Simplify right side
    123,325.99x = 11,358,040,708.56
  5. Step 5: Solve for x
    x = 11,358,040,708.56/123,325.99
  6. Step 6: Final answer
    x = 92,097.71

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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.