Home / 54,766.20-82,214.10-54,377.40

Finding the Fourth Proportional to 54,766.20, 82,214.10 and 54,377.40

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Solution

The fourth proportional to 54,766.20, 82,214.10 and 54,377.40 is: 81,630.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,766.20 : 82,214.10 = 54,377.40 : x
  2. Step 2: Convert to fraction form
    54,766.20/82,214.10 = 54,377.40/x
  3. Step 3: Cross multiply
    54,766.20x = 82,214.10 × 54,377.40
  4. Step 4: Simplify right side
    54,766.20x = 4,470,589,001.34
  5. Step 5: Solve for x
    x = 4,470,589,001.34/54,766.20
  6. Step 6: Final answer
    x = 81,630.44

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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.