Home / 75,619.44-113,350.16-28,213.92

Finding the Fourth Proportional to 75,619.44, 113,350.16 and 28,213.92

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Solution

The fourth proportional to 75,619.44, 113,350.16 and 28,213.92 is: 42,291.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,619.44 : 113,350.16 = 28,213.92 : x
  2. Step 2: Convert to fraction form
    75,619.44/113,350.16 = 28,213.92/x
  3. Step 3: Cross multiply
    75,619.44x = 113,350.16 × 28,213.92
  4. Step 4: Simplify right side
    75,619.44x = 3,198,052,346.23
  5. Step 5: Solve for x
    x = 3,198,052,346.23/75,619.44
  6. Step 6: Final answer
    x = 42,291.40

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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.