Home / 68,282.20-102,500.10-52,768.60

Finding the Fourth Proportional to 68,282.20, 102,500.10 and 52,768.60

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Solution

The fourth proportional to 68,282.20, 102,500.10 and 52,768.60 is: 79,212.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,282.20 : 102,500.10 = 52,768.60 : x
  2. Step 2: Convert to fraction form
    68,282.20/102,500.10 = 52,768.60/x
  3. Step 3: Cross multiply
    68,282.20x = 102,500.10 × 52,768.60
  4. Step 4: Simplify right side
    68,282.20x = 5,408,786,776.86
  5. Step 5: Solve for x
    x = 5,408,786,776.86/68,282.20
  6. Step 6: Final answer
    x = 79,212.25

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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.