Home / 68,546.24-102,930.96-42,417.44

Finding the Fourth Proportional to 68,546.24, 102,930.96 and 42,417.44

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Solution

The fourth proportional to 68,546.24, 102,930.96 and 42,417.44 is: 63,695.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,546.24 : 102,930.96 = 42,417.44 : x
  2. Step 2: Convert to fraction form
    68,546.24/102,930.96 = 42,417.44/x
  3. Step 3: Cross multiply
    68,546.24x = 102,930.96 × 42,417.44
  4. Step 4: Simplify right side
    68,546.24x = 4,366,067,819.94
  5. Step 5: Solve for x
    x = 4,366,067,819.94/68,546.24
  6. Step 6: Final answer
    x = 63,695.22

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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.