Home / 40,787.75-61,168.66-27,724.07

Finding the Fourth Proportional to 40,787.75, 61,168.66 and 27,724.07

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Solution

The fourth proportional to 40,787.75, 61,168.66 and 27,724.07 is: 41,577.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,787.75 : 61,168.66 = 27,724.07 : x
  2. Step 2: Convert to fraction form
    40,787.75/61,168.66 = 27,724.07/x
  3. Step 3: Cross multiply
    40,787.75x = 61,168.66 × 27,724.07
  4. Step 4: Simplify right side
    40,787.75x = 1,695,843,836.49
  5. Step 5: Solve for x
    x = 1,695,843,836.49/40,787.75
  6. Step 6: Final answer
    x = 41,577.29

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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.