Home / 123,610.28-170,580.54-67,020.44

Finding the Fourth Proportional to 123,610.28, 170,580.54 and 67,020.44

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Solution

The fourth proportional to 123,610.28, 170,580.54 and 67,020.44 is: 92,487.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,610.28 : 170,580.54 = 67,020.44 : x
  2. Step 2: Convert to fraction form
    123,610.28/170,580.54 = 67,020.44/x
  3. Step 3: Cross multiply
    123,610.28x = 170,580.54 × 67,020.44
  4. Step 4: Simplify right side
    123,610.28x = 11,432,382,846.24
  5. Step 5: Solve for x
    x = 11,432,382,846.24/123,610.28
  6. Step 6: Final answer
    x = 92,487.31

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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.