Home / 68,546.72-94,556.48-39,863.24

Finding the Fourth Proportional to 68,546.72, 94,556.48 and 39,863.24

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Solution

The fourth proportional to 68,546.72, 94,556.48 and 39,863.24 is: 54,989.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,546.72 : 94,556.48 = 39,863.24 : x
  2. Step 2: Convert to fraction form
    68,546.72/94,556.48 = 39,863.24/x
  3. Step 3: Cross multiply
    68,546.72x = 94,556.48 × 39,863.24
  4. Step 4: Simplify right side
    68,546.72x = 3,769,327,655.80
  5. Step 5: Solve for x
    x = 3,769,327,655.80/68,546.72
  6. Step 6: Final answer
    x = 54,989.18

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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.