Home / 72,475.11-108,696.26-33,043.50

Finding the Fourth Proportional to 72,475.11, 108,696.26 and 33,043.50

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Solution

The fourth proportional to 72,475.11, 108,696.26 and 33,043.50 is: 49,557.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,475.11 : 108,696.26 = 33,043.50 : x
  2. Step 2: Convert to fraction form
    72,475.11/108,696.26 = 33,043.50/x
  3. Step 3: Cross multiply
    72,475.11x = 108,696.26 × 33,043.50
  4. Step 4: Simplify right side
    72,475.11x = 3,591,704,949.92
  5. Step 5: Solve for x
    x = 3,591,704,949.92/72,475.11
  6. Step 6: Final answer
    x = 49,557.77

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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.