Home / 50,761.39-76,121.13-19,166.08

Finding the Fourth Proportional to 50,761.39, 76,121.13 and 19,166.08

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Solution

The fourth proportional to 50,761.39, 76,121.13 and 19,166.08 is: 28,741.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,761.39 : 76,121.13 = 19,166.08 : x
  2. Step 2: Convert to fraction form
    50,761.39/76,121.13 = 19,166.08/x
  3. Step 3: Cross multiply
    50,761.39x = 76,121.13 × 19,166.08
  4. Step 4: Simplify right side
    50,761.39x = 1,458,943,667.27
  5. Step 5: Solve for x
    x = 1,458,943,667.27/50,761.39
  6. Step 6: Final answer
    x = 28,741.21

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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.