Home / 82,932.90-114,447.60-47,134.80

Finding the Fourth Proportional to 82,932.90, 114,447.60 and 47,134.80

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Solution

The fourth proportional to 82,932.90, 114,447.60 and 47,134.80 is: 65,046.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,932.90 : 114,447.60 = 47,134.80 : x
  2. Step 2: Convert to fraction form
    82,932.90/114,447.60 = 47,134.80/x
  3. Step 3: Cross multiply
    82,932.90x = 114,447.60 × 47,134.80
  4. Step 4: Simplify right side
    82,932.90x = 5,394,464,736.48
  5. Step 5: Solve for x
    x = 5,394,464,736.48/82,932.90
  6. Step 6: Final answer
    x = 65,046.14

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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.