Home / 56,942.32-78,580.44-31,791.82

Finding the Fourth Proportional to 56,942.32, 78,580.44 and 31,791.82

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Solution

The fourth proportional to 56,942.32, 78,580.44 and 31,791.82 is: 43,872.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,942.32 : 78,580.44 = 31,791.82 : x
  2. Step 2: Convert to fraction form
    56,942.32/78,580.44 = 31,791.82/x
  3. Step 3: Cross multiply
    56,942.32x = 78,580.44 × 31,791.82
  4. Step 4: Simplify right side
    56,942.32x = 2,498,215,204.00
  5. Step 5: Solve for x
    x = 2,498,215,204.00/56,942.32
  6. Step 6: Final answer
    x = 43,872.73

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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.