Home / 55,542.32-76,648.44-30,391.82

Finding the Fourth Proportional to 55,542.32, 76,648.44 and 30,391.82

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Solution

The fourth proportional to 55,542.32, 76,648.44 and 30,391.82 is: 41,940.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,542.32 : 76,648.44 = 30,391.82 : x
  2. Step 2: Convert to fraction form
    55,542.32/76,648.44 = 30,391.82/x
  3. Step 3: Cross multiply
    55,542.32x = 76,648.44 × 30,391.82
  4. Step 4: Simplify right side
    55,542.32x = 2,329,485,208.52
  5. Step 5: Solve for x
    x = 2,329,485,208.52/55,542.32
  6. Step 6: Final answer
    x = 41,940.73

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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.