Home / 71,974.17-107,994.06-36,938.43

Finding the Fourth Proportional to 71,974.17, 107,994.06 and 36,938.43

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Solution

The fourth proportional to 71,974.17, 107,994.06 and 36,938.43 is: 55,424.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,974.17 : 107,994.06 = 36,938.43 : x
  2. Step 2: Convert to fraction form
    71,974.17/107,994.06 = 36,938.43/x
  3. Step 3: Cross multiply
    71,974.17x = 107,994.06 × 36,938.43
  4. Step 4: Simplify right side
    71,974.17x = 3,989,131,025.73
  5. Step 5: Solve for x
    x = 3,989,131,025.73/71,974.17
  6. Step 6: Final answer
    x = 55,424.48

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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.