Home / 69,581.46-104,388.11-30,145.14

Finding the Fourth Proportional to 69,581.46, 104,388.11 and 30,145.14

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Solution

The fourth proportional to 69,581.46, 104,388.11 and 30,145.14 is: 45,224.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,581.46 : 104,388.11 = 30,145.14 : x
  2. Step 2: Convert to fraction form
    69,581.46/104,388.11 = 30,145.14/x
  3. Step 3: Cross multiply
    69,581.46x = 104,388.11 × 30,145.14
  4. Step 4: Simplify right side
    69,581.46x = 3,146,794,190.29
  5. Step 5: Solve for x
    x = 3,146,794,190.29/69,581.46
  6. Step 6: Final answer
    x = 45,224.61

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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.