Home / 49,200.09-73,800.60-14,139.75

Finding the Fourth Proportional to 49,200.09, 73,800.60 and 14,139.75

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Solution

The fourth proportional to 49,200.09, 73,800.60 and 14,139.75 is: 21,209.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,200.09 : 73,800.60 = 14,139.75 : x
  2. Step 2: Convert to fraction form
    49,200.09/73,800.60 = 14,139.75/x
  3. Step 3: Cross multiply
    49,200.09x = 73,800.60 × 14,139.75
  4. Step 4: Simplify right side
    49,200.09x = 1,043,522,033.85
  5. Step 5: Solve for x
    x = 1,043,522,033.85/49,200.09
  6. Step 6: Final answer
    x = 21,209.76

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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.