Home / 68,372.09-102,220.96-57,958.32

Finding the Fourth Proportional to 68,372.09, 102,220.96 and 57,958.32

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Solution

The fourth proportional to 68,372.09, 102,220.96 and 57,958.32 is: 86,651.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,372.09 : 102,220.96 = 57,958.32 : x
  2. Step 2: Convert to fraction form
    68,372.09/102,220.96 = 57,958.32/x
  3. Step 3: Cross multiply
    68,372.09x = 102,220.96 × 57,958.32
  4. Step 4: Simplify right side
    68,372.09x = 5,924,555,110.39
  5. Step 5: Solve for x
    x = 5,924,555,110.39/68,372.09
  6. Step 6: Final answer
    x = 86,651.66

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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.