Home / 69,764.03-104,643.70-30,321.14

Finding the Fourth Proportional to 69,764.03, 104,643.70 and 30,321.14

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Solution

The fourth proportional to 69,764.03, 104,643.70 and 30,321.14 is: 45,480.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,764.03 : 104,643.70 = 30,321.14 : x
  2. Step 2: Convert to fraction form
    69,764.03/104,643.70 = 30,321.14/x
  3. Step 3: Cross multiply
    69,764.03x = 104,643.70 × 30,321.14
  4. Step 4: Simplify right side
    69,764.03x = 3,172,916,277.82
  5. Step 5: Solve for x
    x = 3,172,916,277.82/69,764.03
  6. Step 6: Final answer
    x = 45,480.69

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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.