Home / 68,768.52-103,136.13-50,266.50

Finding the Fourth Proportional to 68,768.52, 103,136.13 and 50,266.50

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Solution

The fourth proportional to 68,768.52, 103,136.13 and 50,266.50 is: 75,387.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,768.52 : 103,136.13 = 50,266.50 : x
  2. Step 2: Convert to fraction form
    68,768.52/103,136.13 = 50,266.50/x
  3. Step 3: Cross multiply
    68,768.52x = 103,136.13 × 50,266.50
  4. Step 4: Simplify right side
    68,768.52x = 5,184,292,278.65
  5. Step 5: Solve for x
    x = 5,184,292,278.65/68,768.52
  6. Step 6: Final answer
    x = 75,387.58

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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.