Home / 55,940.66-77,203.26-30,791.78

Finding the Fourth Proportional to 55,940.66, 77,203.26 and 30,791.78

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Solution

The fourth proportional to 55,940.66, 77,203.26 and 30,791.78 is: 42,495.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,940.66 : 77,203.26 = 30,791.78 : x
  2. Step 2: Convert to fraction form
    55,940.66/77,203.26 = 30,791.78/x
  3. Step 3: Cross multiply
    55,940.66x = 77,203.26 × 30,791.78
  4. Step 4: Simplify right side
    55,940.66x = 2,377,225,797.20
  5. Step 5: Solve for x
    x = 2,377,225,797.20/55,940.66
  6. Step 6: Final answer
    x = 42,495.49

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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.