Home / 49,012.20-73,518.30-25,645.80

Finding the Fourth Proportional to 49,012.20, 73,518.30 and 25,645.80

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Solution

The fourth proportional to 49,012.20, 73,518.30 and 25,645.80 is: 38,468.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,012.20 : 73,518.30 = 25,645.80 : x
  2. Step 2: Convert to fraction form
    49,012.20/73,518.30 = 25,645.80/x
  3. Step 3: Cross multiply
    49,012.20x = 73,518.30 × 25,645.80
  4. Step 4: Simplify right side
    49,012.20x = 1,885,435,618.14
  5. Step 5: Solve for x
    x = 1,885,435,618.14/49,012.20
  6. Step 6: Final answer
    x = 38,468.70

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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.