Home / 84,791.35-117,032.71-50,819.95

Finding the Fourth Proportional to 84,791.35, 117,032.71 and 50,819.95

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Solution

The fourth proportional to 84,791.35, 117,032.71 and 50,819.95 is: 70,143.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,791.35 : 117,032.71 = 50,819.95 : x
  2. Step 2: Convert to fraction form
    84,791.35/117,032.71 = 50,819.95/x
  3. Step 3: Cross multiply
    84,791.35x = 117,032.71 × 50,819.95
  4. Step 4: Simplify right side
    84,791.35x = 5,947,596,216.46
  5. Step 5: Solve for x
    x = 5,947,596,216.46/84,791.35
  6. Step 6: Final answer
    x = 70,143.90

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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.