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Finding the Fourth Proportional to 83,999.25, 125,999.82 and 35,961.39

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Solution

The fourth proportional to 83,999.25, 125,999.82 and 35,961.39 is: 53,942.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,999.25 : 125,999.82 = 35,961.39 : x
  2. Step 2: Convert to fraction form
    83,999.25/125,999.82 = 35,961.39/x
  3. Step 3: Cross multiply
    83,999.25x = 125,999.82 × 35,961.39
  4. Step 4: Simplify right side
    83,999.25x = 4,531,128,666.95
  5. Step 5: Solve for x
    x = 4,531,128,666.95/83,999.25
  6. Step 6: Final answer
    x = 53,942.49

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1.5x scale

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.