Home / 84,205.20-126,453.60-44,839.20

Finding the Fourth Proportional to 84,205.20, 126,453.60 and 44,839.20

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Solution

The fourth proportional to 84,205.20, 126,453.60 and 44,839.20 is: 67,336.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,205.20 : 126,453.60 = 44,839.20 : x
  2. Step 2: Convert to fraction form
    84,205.20/126,453.60 = 44,839.20/x
  3. Step 3: Cross multiply
    84,205.20x = 126,453.60 × 44,839.20
  4. Step 4: Simplify right side
    84,205.20x = 5,670,078,261.12
  5. Step 5: Solve for x
    x = 5,670,078,261.12/84,205.20
  6. Step 6: Final answer
    x = 67,336.44

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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.