Home / 69,764.36-104,635.38-30,310.88

Finding the Fourth Proportional to 69,764.36, 104,635.38 and 30,310.88

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Solution

The fourth proportional to 69,764.36, 104,635.38 and 30,310.88 is: 45,461.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,764.36 : 104,635.38 = 30,310.88 : x
  2. Step 2: Convert to fraction form
    69,764.36/104,635.38 = 30,310.88/x
  3. Step 3: Cross multiply
    69,764.36x = 104,635.38 × 30,310.88
  4. Step 4: Simplify right side
    69,764.36x = 3,171,590,446.93
  5. Step 5: Solve for x
    x = 3,171,590,446.93/69,764.36
  6. Step 6: Final answer
    x = 45,461.47

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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.