Home / 76,687.22-114,977.46-33,969.45

Finding the Fourth Proportional to 76,687.22, 114,977.46 and 33,969.45

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Solution

The fourth proportional to 76,687.22, 114,977.46 and 33,969.45 is: 50,930.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,687.22 : 114,977.46 = 33,969.45 : x
  2. Step 2: Convert to fraction form
    76,687.22/114,977.46 = 33,969.45/x
  3. Step 3: Cross multiply
    76,687.22x = 114,977.46 × 33,969.45
  4. Step 4: Simplify right side
    76,687.22x = 3,905,721,078.60
  5. Step 5: Solve for x
    x = 3,905,721,078.60/76,687.22
  6. Step 6: Final answer
    x = 50,930.53

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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.