Home / 123,832.09-170,889.23-67,243.46

Finding the Fourth Proportional to 123,832.09, 170,889.23 and 67,243.46

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Solution

The fourth proportional to 123,832.09, 170,889.23 and 67,243.46 is: 92,796.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,832.09 : 170,889.23 = 67,243.46 : x
  2. Step 2: Convert to fraction form
    123,832.09/170,889.23 = 67,243.46/x
  3. Step 3: Cross multiply
    123,832.09x = 170,889.23 × 67,243.46
  4. Step 4: Simplify right side
    123,832.09x = 11,491,182,765.72
  5. Step 5: Solve for x
    x = 11,491,182,765.72/123,832.09
  6. Step 6: Final answer
    x = 92,796.49

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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.