Home / 68,613.12-102,755.37-43,574.82

Finding the Fourth Proportional to 68,613.12, 102,755.37 and 43,574.82

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Solution

The fourth proportional to 68,613.12, 102,755.37 and 43,574.82 is: 65,257.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,613.12 : 102,755.37 = 43,574.82 : x
  2. Step 2: Convert to fraction form
    68,613.12/102,755.37 = 43,574.82/x
  3. Step 3: Cross multiply
    68,613.12x = 102,755.37 × 43,574.82
  4. Step 4: Simplify right side
    68,613.12x = 4,477,546,751.78
  5. Step 5: Solve for x
    x = 4,477,546,751.78/68,613.12
  6. Step 6: Final answer
    x = 65,257.88

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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.