Home / 123,629.99-170,610.46-67,041.37

Finding the Fourth Proportional to 123,629.99, 170,610.46 and 67,041.37

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Solution

The fourth proportional to 123,629.99, 170,610.46 and 67,041.37 is: 92,517.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,629.99 : 170,610.46 = 67,041.37 : x
  2. Step 2: Convert to fraction form
    123,629.99/170,610.46 = 67,041.37/x
  3. Step 3: Cross multiply
    123,629.99x = 170,610.46 × 67,041.37
  4. Step 4: Simplify right side
    123,629.99x = 11,437,958,974.73
  5. Step 5: Solve for x
    x = 11,437,958,974.73/123,629.99
  6. Step 6: Final answer
    x = 92,517.67

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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.