Home / 76,626.20-114,939.30-41,196.80

Finding the Fourth Proportional to 76,626.20, 114,939.30 and 41,196.80

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Solution

The fourth proportional to 76,626.20, 114,939.30 and 41,196.80 is: 61,795.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,626.20 : 114,939.30 = 41,196.80 : x
  2. Step 2: Convert to fraction form
    76,626.20/114,939.30 = 41,196.80/x
  3. Step 3: Cross multiply
    76,626.20x = 114,939.30 × 41,196.80
  4. Step 4: Simplify right side
    76,626.20x = 4,735,131,354.24
  5. Step 5: Solve for x
    x = 4,735,131,354.24/76,626.20
  6. Step 6: Final answer
    x = 61,795.20

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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.