Home / 69,279.20-103,659.30-49,334.80

Finding the Fourth Proportional to 69,279.20, 103,659.30 and 49,334.80

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Solution

The fourth proportional to 69,279.20, 103,659.30 and 49,334.80 is: 73,817.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,279.20 : 103,659.30 = 49,334.80 : x
  2. Step 2: Convert to fraction form
    69,279.20/103,659.30 = 49,334.80/x
  3. Step 3: Cross multiply
    69,279.20x = 103,659.30 × 49,334.80
  4. Step 4: Simplify right side
    69,279.20x = 5,114,010,833.64
  5. Step 5: Solve for x
    x = 5,114,010,833.64/69,279.20
  6. Step 6: Final answer
    x = 73,817.41

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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.