Home / 68,458.20-102,764.10-52,944.60

Finding the Fourth Proportional to 68,458.20, 102,764.10 and 52,944.60

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Solution

The fourth proportional to 68,458.20, 102,764.10 and 52,944.60 is: 79,476.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,458.20 : 102,764.10 = 52,944.60 : x
  2. Step 2: Convert to fraction form
    68,458.20/102,764.10 = 52,944.60/x
  3. Step 3: Cross multiply
    68,458.20x = 102,764.10 × 52,944.60
  4. Step 4: Simplify right side
    68,458.20x = 5,440,804,168.86
  5. Step 5: Solve for x
    x = 5,440,804,168.86/68,458.20
  6. Step 6: Final answer
    x = 79,476.30

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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.