Home / 74,077.41-111,121.79-31,958.49

Finding the Fourth Proportional to 74,077.41, 111,121.79 and 31,958.49

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Solution

The fourth proportional to 74,077.41, 111,121.79 and 31,958.49 is: 47,940.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,077.41 : 111,121.79 = 31,958.49 : x
  2. Step 2: Convert to fraction form
    74,077.41/111,121.79 = 31,958.49/x
  3. Step 3: Cross multiply
    74,077.41x = 111,121.79 × 31,958.49
  4. Step 4: Simplify right side
    74,077.41x = 3,551,284,454.70
  5. Step 5: Solve for x
    x = 3,551,284,454.70/74,077.41
  6. Step 6: Final answer
    x = 47,940.18

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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.