Home / 57,176.48-78,727.44-50,791.96

Finding the Fourth Proportional to 57,176.48, 78,727.44 and 50,791.96

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Solution

The fourth proportional to 57,176.48, 78,727.44 and 50,791.96 is: 69,936.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,176.48 : 78,727.44 = 50,791.96 : x
  2. Step 2: Convert to fraction form
    57,176.48/78,727.44 = 50,791.96/x
  3. Step 3: Cross multiply
    57,176.48x = 78,727.44 × 50,791.96
  4. Step 4: Simplify right side
    57,176.48x = 3,998,721,272.26
  5. Step 5: Solve for x
    x = 3,998,721,272.26/57,176.48
  6. Step 6: Final answer
    x = 69,936.47

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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.