Home / 51,974.67-77,970.20-16,906.13

Finding the Fourth Proportional to 51,974.67, 77,970.20 and 16,906.13

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Solution

The fourth proportional to 51,974.67, 77,970.20 and 16,906.13 is: 25,361.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,974.67 : 77,970.20 = 16,906.13 : x
  2. Step 2: Convert to fraction form
    51,974.67/77,970.20 = 16,906.13/x
  3. Step 3: Cross multiply
    51,974.67x = 77,970.20 × 16,906.13
  4. Step 4: Simplify right side
    51,974.67x = 1,318,173,862.94
  5. Step 5: Solve for x
    x = 1,318,173,862.94/51,974.67
  6. Step 6: Final answer
    x = 25,361.85

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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.