Home / 72,814.05-109,236.67-41,239.04

Finding the Fourth Proportional to 72,814.05, 109,236.67 and 41,239.04

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Solution

The fourth proportional to 72,814.05, 109,236.67 and 41,239.04 is: 61,867.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,814.05 : 109,236.67 = 41,239.04 : x
  2. Step 2: Convert to fraction form
    72,814.05/109,236.67 = 41,239.04/x
  3. Step 3: Cross multiply
    72,814.05x = 109,236.67 × 41,239.04
  4. Step 4: Simplify right side
    72,814.05x = 4,504,814,754.32
  5. Step 5: Solve for x
    x = 4,504,814,754.32/72,814.05
  6. Step 6: Final answer
    x = 61,867.38

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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.