Home / 86,057.62-118,770.66-48,331.88

Finding the Fourth Proportional to 86,057.62, 118,770.66 and 48,331.88

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Solution

The fourth proportional to 86,057.62, 118,770.66 and 48,331.88 is: 66,704.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,057.62 : 118,770.66 = 48,331.88 : x
  2. Step 2: Convert to fraction form
    86,057.62/118,770.66 = 48,331.88/x
  3. Step 3: Cross multiply
    86,057.62x = 118,770.66 × 48,331.88
  4. Step 4: Simplify right side
    86,057.62x = 5,740,409,286.64
  5. Step 5: Solve for x
    x = 5,740,409,286.64/86,057.62
  6. Step 6: Final answer
    x = 66,704.25

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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.