Home / 54,576.20-81,864.30-48,015.20

Finding the Fourth Proportional to 54,576.20, 81,864.30 and 48,015.20

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Solution

The fourth proportional to 54,576.20, 81,864.30 and 48,015.20 is: 72,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,576.20 : 81,864.30 = 48,015.20 : x
  2. Step 2: Convert to fraction form
    54,576.20/81,864.30 = 48,015.20/x
  3. Step 3: Cross multiply
    54,576.20x = 81,864.30 × 48,015.20
  4. Step 4: Simplify right side
    54,576.20x = 3,930,730,737.36
  5. Step 5: Solve for x
    x = 3,930,730,737.36/54,576.20
  6. Step 6: Final answer
    x = 72,022.80

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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.