Home / 51,579.83-77,361.42-14,131.14

Finding the Fourth Proportional to 51,579.83, 77,361.42 and 14,131.14

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Solution

The fourth proportional to 51,579.83, 77,361.42 and 14,131.14 is: 21,194.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,579.83 : 77,361.42 = 14,131.14 : x
  2. Step 2: Convert to fraction form
    51,579.83/77,361.42 = 14,131.14/x
  3. Step 3: Cross multiply
    51,579.83x = 77,361.42 × 14,131.14
  4. Step 4: Simplify right side
    51,579.83x = 1,093,205,056.62
  5. Step 5: Solve for x
    x = 1,093,205,056.62/51,579.83
  6. Step 6: Final answer
    x = 21,194.43

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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.