Home / 75,165.20-103,729.24-41,173.20

Finding the Fourth Proportional to 75,165.20, 103,729.24 and 41,173.20

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Solution

The fourth proportional to 75,165.20, 103,729.24 and 41,173.20 is: 56,819.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,165.20 : 103,729.24 = 41,173.20 : x
  2. Step 2: Convert to fraction form
    75,165.20/103,729.24 = 41,173.20/x
  3. Step 3: Cross multiply
    75,165.20x = 103,729.24 × 41,173.20
  4. Step 4: Simplify right side
    75,165.20x = 4,270,864,744.37
  5. Step 5: Solve for x
    x = 4,270,864,744.37/75,165.20
  6. Step 6: Final answer
    x = 56,819.71

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1.5x scale

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.