Home / 68,498.25-102,778.16-43,531.83

Finding the Fourth Proportional to 68,498.25, 102,778.16 and 43,531.83

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Solution

The fourth proportional to 68,498.25, 102,778.16 and 43,531.83 is: 65,317.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,498.25 : 102,778.16 = 43,531.83 : x
  2. Step 2: Convert to fraction form
    68,498.25/102,778.16 = 43,531.83/x
  3. Step 3: Cross multiply
    68,498.25x = 102,778.16 × 43,531.83
  4. Step 4: Simplify right side
    68,498.25x = 4,474,121,171.17
  5. Step 5: Solve for x
    x = 4,474,121,171.17/68,498.25
  6. Step 6: Final answer
    x = 65,317.31

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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.