Home / 68,278.20-102,494.10-52,764.60

Finding the Fourth Proportional to 68,278.20, 102,494.10 and 52,764.60

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Solution

The fourth proportional to 68,278.20, 102,494.10 and 52,764.60 is: 79,206.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,278.20 : 102,494.10 = 52,764.60 : x
  2. Step 2: Convert to fraction form
    68,278.20/102,494.10 = 52,764.60/x
  3. Step 3: Cross multiply
    68,278.20x = 102,494.10 × 52,764.60
  4. Step 4: Simplify right side
    68,278.20x = 5,408,060,188.86
  5. Step 5: Solve for x
    x = 5,408,060,188.86/68,278.20
  6. Step 6: Final answer
    x = 79,206.25

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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.