Home / 69,620.72-96,076.68-37,789.62

Finding the Fourth Proportional to 69,620.72, 96,076.68 and 37,789.62

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Solution

The fourth proportional to 69,620.72, 96,076.68 and 37,789.62 is: 52,149.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,620.72 : 96,076.68 = 37,789.62 : x
  2. Step 2: Convert to fraction form
    69,620.72/96,076.68 = 37,789.62/x
  3. Step 3: Cross multiply
    69,620.72x = 96,076.68 × 37,789.62
  4. Step 4: Simplify right side
    69,620.72x = 3,630,701,228.06
  5. Step 5: Solve for x
    x = 3,630,701,228.06/69,620.72
  6. Step 6: Final answer
    x = 52,149.72

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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.