Home / 123,832.38-170,890.81-67,243.75

Finding the Fourth Proportional to 123,832.38, 170,890.81 and 67,243.75

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Solution

The fourth proportional to 123,832.38, 170,890.81 and 67,243.75 is: 92,797.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,832.38 : 170,890.81 = 67,243.75 : x
  2. Step 2: Convert to fraction form
    123,832.38/170,890.81 = 67,243.75/x
  3. Step 3: Cross multiply
    123,832.38x = 170,890.81 × 67,243.75
  4. Step 4: Simplify right side
    123,832.38x = 11,491,338,904.94
  5. Step 5: Solve for x
    x = 11,491,338,904.94/123,832.38
  6. Step 6: Final answer
    x = 92,797.53

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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.