Home / 123,610.22-170,580.57-67,021.46

Finding the Fourth Proportional to 123,610.22, 170,580.57 and 67,021.46

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Solution

The fourth proportional to 123,610.22, 170,580.57 and 67,021.46 is: 92,488.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,610.22 : 170,580.57 = 67,021.46 : x
  2. Step 2: Convert to fraction form
    123,610.22/170,580.57 = 67,021.46/x
  3. Step 3: Cross multiply
    123,610.22x = 170,580.57 × 67,021.46
  4. Step 4: Simplify right side
    123,610.22x = 11,432,558,849.03
  5. Step 5: Solve for x
    x = 11,432,558,849.03/123,610.22
  6. Step 6: Final answer
    x = 92,488.78

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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.