Home / 68,445.42-94,453.74-38,231.21

Finding the Fourth Proportional to 68,445.42, 94,453.74 and 38,231.21

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Solution

The fourth proportional to 68,445.42, 94,453.74 and 38,231.21 is: 52,758.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,445.42 : 94,453.74 = 38,231.21 : x
  2. Step 2: Convert to fraction form
    68,445.42/94,453.74 = 38,231.21/x
  3. Step 3: Cross multiply
    68,445.42x = 94,453.74 × 38,231.21
  4. Step 4: Simplify right side
    68,445.42x = 3,611,080,296.96
  5. Step 5: Solve for x
    x = 3,611,080,296.96/68,445.42
  6. Step 6: Final answer
    x = 52,758.54

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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.