Home / 69,640.92-104,386.82-32,157.36

Finding the Fourth Proportional to 69,640.92, 104,386.82 and 32,157.36

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Solution

The fourth proportional to 69,640.92, 104,386.82 and 32,157.36 is: 48,201.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,640.92 : 104,386.82 = 32,157.36 : x
  2. Step 2: Convert to fraction form
    69,640.92/104,386.82 = 32,157.36/x
  3. Step 3: Cross multiply
    69,640.92x = 104,386.82 × 32,157.36
  4. Step 4: Simplify right side
    69,640.92x = 3,356,804,389.21
  5. Step 5: Solve for x
    x = 3,356,804,389.21/69,640.92
  6. Step 6: Final answer
    x = 48,201.61

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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.