Home / 69,577.25-104,365.87-39,976.20

Finding the Fourth Proportional to 69,577.25, 104,365.87 and 39,976.20

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Solution

The fourth proportional to 69,577.25, 104,365.87 and 39,976.20 is: 59,964.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,577.25 : 104,365.87 = 39,976.20 : x
  2. Step 2: Convert to fraction form
    69,577.25/104,365.87 = 39,976.20/x
  3. Step 3: Cross multiply
    69,577.25x = 104,365.87 × 39,976.20
  4. Step 4: Simplify right side
    69,577.25x = 4,172,150,792.35
  5. Step 5: Solve for x
    x = 4,172,150,792.35/69,577.25
  6. Step 6: Final answer
    x = 59,964.30

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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.