Home / 68,771.04-103,139.88-50,269

Finding the Fourth Proportional to 68,771.04, 103,139.88 and 50,269

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Solution

The fourth proportional to 68,771.04, 103,139.88 and 50,269 is: 75,391.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,771.04 : 103,139.88 = 50,269 : x
  2. Step 2: Convert to fraction form
    68,771.04/103,139.88 = 50,269/x
  3. Step 3: Cross multiply
    68,771.04x = 103,139.88 × 50,269
  4. Step 4: Simplify right side
    68,771.04x = 5,184,738,627.72
  5. Step 5: Solve for x
    x = 5,184,738,627.72/68,771.04
  6. Step 6: Final answer
    x = 75,391.31

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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.