Home / 69,618.20-104,323.62-39,991.64

Finding the Fourth Proportional to 69,618.20, 104,323.62 and 39,991.64

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Solution

The fourth proportional to 69,618.20, 104,323.62 and 39,991.64 is: 59,927.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,618.20 : 104,323.62 = 39,991.64 : x
  2. Step 2: Convert to fraction form
    69,618.20/104,323.62 = 39,991.64/x
  3. Step 3: Cross multiply
    69,618.20x = 104,323.62 × 39,991.64
  4. Step 4: Simplify right side
    69,618.20x = 4,172,072,654.54
  5. Step 5: Solve for x
    x = 4,172,072,654.54/69,618.20
  6. Step 6: Final answer
    x = 59,927.90

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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.