Home / 73,687.36-110,438.56-31,517.86

Finding the Fourth Proportional to 73,687.36, 110,438.56 and 31,517.86

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Solution

The fourth proportional to 73,687.36, 110,438.56 and 31,517.86 is: 47,237.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,687.36 : 110,438.56 = 31,517.86 : x
  2. Step 2: Convert to fraction form
    73,687.36/110,438.56 = 31,517.86/x
  3. Step 3: Cross multiply
    73,687.36x = 110,438.56 × 31,517.86
  4. Step 4: Simplify right side
    73,687.36x = 3,480,787,072.68
  5. Step 5: Solve for x
    x = 3,480,787,072.68/73,687.36
  6. Step 6: Final answer
    x = 47,237.23

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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.