Home / 94,947.19-131,043.52-57,221.44

Finding the Fourth Proportional to 94,947.19, 131,043.52 and 57,221.44

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Solution

The fourth proportional to 94,947.19, 131,043.52 and 57,221.44 is: 78,975.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,947.19 : 131,043.52 = 57,221.44 : x
  2. Step 2: Convert to fraction form
    94,947.19/131,043.52 = 57,221.44/x
  3. Step 3: Cross multiply
    94,947.19x = 131,043.52 × 57,221.44
  4. Step 4: Simplify right side
    94,947.19x = 7,498,498,660.99
  5. Step 5: Solve for x
    x = 7,498,498,660.99/94,947.19
  6. Step 6: Final answer
    x = 78,975.47

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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.