Home / 83,619.08-125,469.64-39,249.44

Finding the Fourth Proportional to 83,619.08, 125,469.64 and 39,249.44

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Solution

The fourth proportional to 83,619.08, 125,469.64 and 39,249.44 is: 58,893.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,619.08 : 125,469.64 = 39,249.44 : x
  2. Step 2: Convert to fraction form
    83,619.08/125,469.64 = 39,249.44/x
  3. Step 3: Cross multiply
    83,619.08x = 125,469.64 × 39,249.44
  4. Step 4: Simplify right side
    83,619.08x = 4,924,613,107.00
  5. Step 5: Solve for x
    x = 4,924,613,107.00/83,619.08
  6. Step 6: Final answer
    x = 58,893.41

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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.