Home / 54,787.10-82,182.70-15,343.19

Finding the Fourth Proportional to 54,787.10, 82,182.70 and 15,343.19

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Solution

The fourth proportional to 54,787.10, 82,182.70 and 15,343.19 is: 23,015.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,787.10 : 82,182.70 = 15,343.19 : x
  2. Step 2: Convert to fraction form
    54,787.10/82,182.70 = 15,343.19/x
  3. Step 3: Cross multiply
    54,787.10x = 82,182.70 × 15,343.19
  4. Step 4: Simplify right side
    54,787.10x = 1,260,944,780.81
  5. Step 5: Solve for x
    x = 1,260,944,780.81/54,787.10
  6. Step 6: Final answer
    x = 23,015.36

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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.