Home / 68,714.37-102,896.60-45,269.73

Finding the Fourth Proportional to 68,714.37, 102,896.60 and 45,269.73

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Solution

The fourth proportional to 68,714.37, 102,896.60 and 45,269.73 is: 67,789.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,714.37 : 102,896.60 = 45,269.73 : x
  2. Step 2: Convert to fraction form
    68,714.37/102,896.60 = 45,269.73/x
  3. Step 3: Cross multiply
    68,714.37x = 102,896.60 × 45,269.73
  4. Step 4: Simplify right side
    68,714.37x = 4,658,101,073.57
  5. Step 5: Solve for x
    x = 4,658,101,073.57/68,714.37
  6. Step 6: Final answer
    x = 67,789.33

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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.