Home / 51,942.10-77,863.83-16,857.22

Finding the Fourth Proportional to 51,942.10, 77,863.83 and 16,857.22

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Solution

The fourth proportional to 51,942.10, 77,863.83 and 16,857.22 is: 25,269.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,942.10 : 77,863.83 = 16,857.22 : x
  2. Step 2: Convert to fraction form
    51,942.10/77,863.83 = 16,857.22/x
  3. Step 3: Cross multiply
    51,942.10x = 77,863.83 × 16,857.22
  4. Step 4: Simplify right side
    51,942.10x = 1,312,567,712.35
  5. Step 5: Solve for x
    x = 1,312,567,712.35/51,942.10
  6. Step 6: Final answer
    x = 25,269.82

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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.