Home / 72,579.57-108,882.11-33,140.67

Finding the Fourth Proportional to 72,579.57, 108,882.11 and 33,140.67

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Solution

The fourth proportional to 72,579.57, 108,882.11 and 33,140.67 is: 49,716.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,579.57 : 108,882.11 = 33,140.67 : x
  2. Step 2: Convert to fraction form
    72,579.57/108,882.11 = 33,140.67/x
  3. Step 3: Cross multiply
    72,579.57x = 108,882.11 × 33,140.67
  4. Step 4: Simplify right side
    72,579.57x = 3,608,425,366.30
  5. Step 5: Solve for x
    x = 3,608,425,366.30/72,579.57
  6. Step 6: Final answer
    x = 49,716.82

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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.