Home / 69,620.80-96,076.38-37,789.42

Finding the Fourth Proportional to 69,620.80, 96,076.38 and 37,789.42

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Solution

The fourth proportional to 69,620.80, 96,076.38 and 37,789.42 is: 52,149.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,620.80 : 96,076.38 = 37,789.42 : x
  2. Step 2: Convert to fraction form
    69,620.80/96,076.38 = 37,789.42/x
  3. Step 3: Cross multiply
    69,620.80x = 96,076.38 × 37,789.42
  4. Step 4: Simplify right side
    69,620.80x = 3,630,670,675.90
  5. Step 5: Solve for x
    x = 3,630,670,675.90/69,620.80
  6. Step 6: Final answer
    x = 52,149.22

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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.