Home / 69,198.06-95,473.56-38,972.80

Finding the Fourth Proportional to 69,198.06, 95,473.56 and 38,972.80

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Solution

The fourth proportional to 69,198.06, 95,473.56 and 38,972.80 is: 53,771.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,198.06 : 95,473.56 = 38,972.80 : x
  2. Step 2: Convert to fraction form
    69,198.06/95,473.56 = 38,972.80/x
  3. Step 3: Cross multiply
    69,198.06x = 95,473.56 × 38,972.80
  4. Step 4: Simplify right side
    69,198.06x = 3,720,871,959.17
  5. Step 5: Solve for x
    x = 3,720,871,959.17/69,198.06
  6. Step 6: Final answer
    x = 53,771.33

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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.