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Finding the Fourth Proportional to 69,676.74, 104,542.79 and 22,299.10

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Solution

The fourth proportional to 69,676.74, 104,542.79 and 22,299.10 is: 33,457.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,676.74 : 104,542.79 = 22,299.10 : x
  2. Step 2: Convert to fraction form
    69,676.74/104,542.79 = 22,299.10/x
  3. Step 3: Cross multiply
    69,676.74x = 104,542.79 × 22,299.10
  4. Step 4: Simplify right side
    69,676.74x = 2,331,210,128.49
  5. Step 5: Solve for x
    x = 2,331,210,128.49/69,676.74
  6. Step 6: Final answer
    x = 33,457.51

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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.