Home / 68,445.26-94,453.44-38,231.12

Finding the Fourth Proportional to 68,445.26, 94,453.44 and 38,231.12

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Solution

The fourth proportional to 68,445.26, 94,453.44 and 38,231.12 is: 52,758.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,445.26 : 94,453.44 = 38,231.12 : x
  2. Step 2: Convert to fraction form
    68,445.26/94,453.44 = 38,231.12/x
  3. Step 3: Cross multiply
    68,445.26x = 94,453.44 × 38,231.12
  4. Step 4: Simplify right side
    68,445.26x = 3,611,060,799.05
  5. Step 5: Solve for x
    x = 3,611,060,799.05/68,445.26
  6. Step 6: Final answer
    x = 52,758.38

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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.