Home / 83,431.11-125,146.59-33,511.22

Finding the Fourth Proportional to 83,431.11, 125,146.59 and 33,511.22

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Solution

The fourth proportional to 83,431.11, 125,146.59 and 33,511.22 is: 50,266.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,431.11 : 125,146.59 = 33,511.22 : x
  2. Step 2: Convert to fraction form
    83,431.11/125,146.59 = 33,511.22/x
  3. Step 3: Cross multiply
    83,431.11x = 125,146.59 × 33,511.22
  4. Step 4: Simplify right side
    83,431.11x = 4,193,814,910.39
  5. Step 5: Solve for x
    x = 4,193,814,910.39/83,431.11
  6. Step 6: Final answer
    x = 50,266.80

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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.