Home / 48,787.28-73,185.79-13,249.18

Finding the Fourth Proportional to 48,787.28, 73,185.79 and 13,249.18

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Solution

The fourth proportional to 48,787.28, 73,185.79 and 13,249.18 is: 19,875.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,787.28 : 73,185.79 = 13,249.18 : x
  2. Step 2: Convert to fraction form
    48,787.28/73,185.79 = 13,249.18/x
  3. Step 3: Cross multiply
    48,787.28x = 73,185.79 × 13,249.18
  4. Step 4: Simplify right side
    48,787.28x = 969,651,705.15
  5. Step 5: Solve for x
    x = 969,651,705.15/48,787.28
  6. Step 6: Final answer
    x = 19,875.09

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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.