Home / 86,203.27-118,961.11-47,964.44

Finding the Fourth Proportional to 86,203.27, 118,961.11 and 47,964.44

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Solution

The fourth proportional to 86,203.27, 118,961.11 and 47,964.44 is: 66,191.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,203.27 : 118,961.11 = 47,964.44 : x
  2. Step 2: Convert to fraction form
    86,203.27/118,961.11 = 47,964.44/x
  3. Step 3: Cross multiply
    86,203.27x = 118,961.11 × 47,964.44
  4. Step 4: Simplify right side
    86,203.27x = 5,705,902,441.33
  5. Step 5: Solve for x
    x = 5,705,902,441.33/86,203.27
  6. Step 6: Final answer
    x = 66,191.25

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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.