Home / 74,581.14-111,912.72-35,137.23

Finding the Fourth Proportional to 74,581.14, 111,912.72 and 35,137.23

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Solution

The fourth proportional to 74,581.14, 111,912.72 and 35,137.23 is: 52,725.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,581.14 : 111,912.72 = 35,137.23 : x
  2. Step 2: Convert to fraction form
    74,581.14/111,912.72 = 35,137.23/x
  3. Step 3: Cross multiply
    74,581.14x = 111,912.72 × 35,137.23
  4. Step 4: Simplify right side
    74,581.14x = 3,932,302,982.57
  5. Step 5: Solve for x
    x = 3,932,302,982.57/74,581.14
  6. Step 6: Final answer
    x = 52,725.17

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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.