Home / 71,941.24-107,942.96-38,622.39

Finding the Fourth Proportional to 71,941.24, 107,942.96 and 38,622.39

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Solution

The fourth proportional to 71,941.24, 107,942.96 and 38,622.39 is: 57,950.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,941.24 : 107,942.96 = 38,622.39 : x
  2. Step 2: Convert to fraction form
    71,941.24/107,942.96 = 38,622.39/x
  3. Step 3: Cross multiply
    71,941.24x = 107,942.96 × 38,622.39
  4. Step 4: Simplify right side
    71,941.24x = 4,169,015,098.87
  5. Step 5: Solve for x
    x = 4,169,015,098.87/71,941.24
  6. Step 6: Final answer
    x = 57,950.28

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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.