Home / 123,629.91-170,609.27-67,041.33

Finding the Fourth Proportional to 123,629.91, 170,609.27 and 67,041.33

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Solution

The fourth proportional to 123,629.91, 170,609.27 and 67,041.33 is: 92,517.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,629.91 : 170,609.27 = 67,041.33 : x
  2. Step 2: Convert to fraction form
    123,629.91/170,609.27 = 67,041.33/x
  3. Step 3: Cross multiply
    123,629.91x = 170,609.27 × 67,041.33
  4. Step 4: Simplify right side
    123,629.91x = 11,437,871,518.08
  5. Step 5: Solve for x
    x = 11,437,871,518.08/123,629.91
  6. Step 6: Final answer
    x = 92,517.03

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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.