Home / 68,181.08-94,067.34-39,866.72

Finding the Fourth Proportional to 68,181.08, 94,067.34 and 39,866.72

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Solution

The fourth proportional to 68,181.08, 94,067.34 and 39,866.72 is: 55,002.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,181.08 : 94,067.34 = 39,866.72 : x
  2. Step 2: Convert to fraction form
    68,181.08/94,067.34 = 39,866.72/x
  3. Step 3: Cross multiply
    68,181.08x = 94,067.34 × 39,866.72
  4. Step 4: Simplify right side
    68,181.08x = 3,750,156,304.92
  5. Step 5: Solve for x
    x = 3,750,156,304.92/68,181.08
  6. Step 6: Final answer
    x = 55,002.89

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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.