Home / 68,613.45-102,969.38-29,198.26

Finding the Fourth Proportional to 68,613.45, 102,969.38 and 29,198.26

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Solution

The fourth proportional to 68,613.45, 102,969.38 and 29,198.26 is: 43,818.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,613.45 : 102,969.38 = 29,198.26 : x
  2. Step 2: Convert to fraction form
    68,613.45/102,969.38 = 29,198.26/x
  3. Step 3: Cross multiply
    68,613.45x = 102,969.38 × 29,198.26
  4. Step 4: Simplify right side
    68,613.45x = 3,006,526,729.28
  5. Step 5: Solve for x
    x = 3,006,526,729.28/68,613.45
  6. Step 6: Final answer
    x = 43,818.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.