Home / 52,137.83-78,205.22-12,694.37

Finding the Fourth Proportional to 52,137.83, 78,205.22 and 12,694.37

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Solution

The fourth proportional to 52,137.83, 78,205.22 and 12,694.37 is: 19,041.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,137.83 : 78,205.22 = 12,694.37 : x
  2. Step 2: Convert to fraction form
    52,137.83/78,205.22 = 12,694.37/x
  3. Step 3: Cross multiply
    52,137.83x = 78,205.22 × 12,694.37
  4. Step 4: Simplify right side
    52,137.83x = 992,766,067.32
  5. Step 5: Solve for x
    x = 992,766,067.32/52,137.83
  6. Step 6: Final answer
    x = 19,041.19

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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.