Home / 55,450.20-83,045.70-54,336.60

Finding the Fourth Proportional to 55,450.20, 83,045.70 and 54,336.60

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Solution

The fourth proportional to 55,450.20, 83,045.70 and 54,336.60 is: 81,377.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,450.20 : 83,045.70 = 54,336.60 : x
  2. Step 2: Convert to fraction form
    55,450.20/83,045.70 = 54,336.60/x
  3. Step 3: Cross multiply
    55,450.20x = 83,045.70 × 54,336.60
  4. Step 4: Simplify right side
    55,450.20x = 4,512,420,982.62
  5. Step 5: Solve for x
    x = 4,512,420,982.62/55,450.20
  6. Step 6: Final answer
    x = 81,377.90

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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.