Home / 69,917.82-104,821.29-36,631.50

Finding the Fourth Proportional to 69,917.82, 104,821.29 and 36,631.50

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Solution

The fourth proportional to 69,917.82, 104,821.29 and 36,631.50 is: 54,918.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,917.82 : 104,821.29 = 36,631.50 : x
  2. Step 2: Convert to fraction form
    69,917.82/104,821.29 = 36,631.50/x
  3. Step 3: Cross multiply
    69,917.82x = 104,821.29 × 36,631.50
  4. Step 4: Simplify right side
    69,917.82x = 3,839,761,084.64
  5. Step 5: Solve for x
    x = 3,839,761,084.64/69,917.82
  6. Step 6: Final answer
    x = 54,918.20

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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.