Home / 68,532.21-94,575.11-40,238.37

Finding the Fourth Proportional to 68,532.21, 94,575.11 and 40,238.37

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Solution

The fourth proportional to 68,532.21, 94,575.11 and 40,238.37 is: 55,529.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,532.21 : 94,575.11 = 40,238.37 : x
  2. Step 2: Convert to fraction form
    68,532.21/94,575.11 = 40,238.37/x
  3. Step 3: Cross multiply
    68,532.21x = 94,575.11 × 40,238.37
  4. Step 4: Simplify right side
    68,532.21x = 3,805,548,067.78
  5. Step 5: Solve for x
    x = 3,805,548,067.78/68,532.21
  6. Step 6: Final answer
    x = 55,529.34

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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.