Home / 40,724.67-61,084.73-11,140.34

Finding the Fourth Proportional to 40,724.67, 61,084.73 and 11,140.34

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Solution

The fourth proportional to 40,724.67, 61,084.73 and 11,140.34 is: 16,709.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,724.67 : 61,084.73 = 11,140.34 : x
  2. Step 2: Convert to fraction form
    40,724.67/61,084.73 = 11,140.34/x
  3. Step 3: Cross multiply
    40,724.67x = 61,084.73 × 11,140.34
  4. Step 4: Simplify right side
    40,724.67x = 680,504,383.44
  5. Step 5: Solve for x
    x = 680,504,383.44/40,724.67
  6. Step 6: Final answer
    x = 16,709.88

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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.