Home / 74,930.52-103,425.66-49,455.48

Finding the Fourth Proportional to 74,930.52, 103,425.66 and 49,455.48

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Solution

The fourth proportional to 74,930.52, 103,425.66 and 49,455.48 is: 68,262.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,930.52 : 103,425.66 = 49,455.48 : x
  2. Step 2: Convert to fraction form
    74,930.52/103,425.66 = 49,455.48/x
  3. Step 3: Cross multiply
    74,930.52x = 103,425.66 × 49,455.48
  4. Step 4: Simplify right side
    74,930.52x = 5,114,965,659.62
  5. Step 5: Solve for x
    x = 5,114,965,659.62/74,930.52
  6. Step 6: Final answer
    x = 68,262.78

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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.