Home / 86,171.00-118,914.26-47,929.73

Finding the Fourth Proportional to 86,171.00, 118,914.26 and 47,929.73

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Solution

The fourth proportional to 86,171.00, 118,914.26 and 47,929.73 is: 66,142.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,171.00 : 118,914.26 = 47,929.73 : x
  2. Step 2: Convert to fraction form
    86,171.00/118,914.26 = 47,929.73/x
  3. Step 3: Cross multiply
    86,171.00x = 118,914.26 × 47,929.73
  4. Step 4: Simplify right side
    86,171.00x = 5,699,527,540.73
  5. Step 5: Solve for x
    x = 5,699,527,540.73/86,171.00
  6. Step 6: Final answer
    x = 66,142.06

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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.