Home / 69,212.72-103,786.24-35,899.44

Finding the Fourth Proportional to 69,212.72, 103,786.24 and 35,899.44

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Solution

The fourth proportional to 69,212.72, 103,786.24 and 35,899.44 is: 53,832.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,212.72 : 103,786.24 = 35,899.44 : x
  2. Step 2: Convert to fraction form
    69,212.72/103,786.24 = 35,899.44/x
  3. Step 3: Cross multiply
    69,212.72x = 103,786.24 × 35,899.44
  4. Step 4: Simplify right side
    69,212.72x = 3,725,867,895.71
  5. Step 5: Solve for x
    x = 3,725,867,895.71/69,212.72
  6. Step 6: Final answer
    x = 53,832.13

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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.