Home / 73,014.11-109,474.07-28,645.34

Finding the Fourth Proportional to 73,014.11, 109,474.07 and 28,645.34

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Solution

The fourth proportional to 73,014.11, 109,474.07 and 28,645.34 is: 42,949.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,014.11 : 109,474.07 = 28,645.34 : x
  2. Step 2: Convert to fraction form
    73,014.11/109,474.07 = 28,645.34/x
  3. Step 3: Cross multiply
    73,014.11x = 109,474.07 × 28,645.34
  4. Step 4: Simplify right side
    73,014.11x = 3,135,922,301.63
  5. Step 5: Solve for x
    x = 3,135,922,301.63/73,014.11
  6. Step 6: Final answer
    x = 42,949.54

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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.