Home / 49,791.94-74,512.40-31,080.76

Finding the Fourth Proportional to 49,791.94, 74,512.40 and 31,080.76

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Solution

The fourth proportional to 49,791.94, 74,512.40 and 31,080.76 is: 46,511.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,791.94 : 74,512.40 = 31,080.76 : x
  2. Step 2: Convert to fraction form
    49,791.94/74,512.40 = 31,080.76/x
  3. Step 3: Cross multiply
    49,791.94x = 74,512.40 × 31,080.76
  4. Step 4: Simplify right side
    49,791.94x = 2,315,902,021.42
  5. Step 5: Solve for x
    x = 2,315,902,021.42/49,791.94
  6. Step 6: Final answer
    x = 46,511.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.