Home / 49,930.14-68,904.05-28,418.83

Finding the Fourth Proportional to 49,930.14, 68,904.05 and 28,418.83

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Solution

The fourth proportional to 49,930.14, 68,904.05 and 28,418.83 is: 39,218.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,930.14 : 68,904.05 = 28,418.83 : x
  2. Step 2: Convert to fraction form
    49,930.14/68,904.05 = 28,418.83/x
  3. Step 3: Cross multiply
    49,930.14x = 68,904.05 × 28,418.83
  4. Step 4: Simplify right side
    49,930.14x = 1,958,172,483.26
  5. Step 5: Solve for x
    x = 1,958,172,483.26/49,930.14
  6. Step 6: Final answer
    x = 39,218.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.