Home / 67,494.75-101,187.45-28,081.37

Finding the Fourth Proportional to 67,494.75, 101,187.45 and 28,081.37

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Solution

The fourth proportional to 67,494.75, 101,187.45 and 28,081.37 is: 42,099.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,494.75 : 101,187.45 = 28,081.37 : x
  2. Step 2: Convert to fraction form
    67,494.75/101,187.45 = 28,081.37/x
  3. Step 3: Cross multiply
    67,494.75x = 101,187.45 × 28,081.37
  4. Step 4: Simplify right side
    67,494.75x = 2,841,481,716.87
  5. Step 5: Solve for x
    x = 2,841,481,716.87/67,494.75
  6. Step 6: Final answer
    x = 42,099.30

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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.