Home / 75,436.45-113,175.86-22,129.69

Finding the Fourth Proportional to 75,436.45, 113,175.86 and 22,129.69

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Solution

The fourth proportional to 75,436.45, 113,175.86 and 22,129.69 is: 33,200.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,436.45 : 113,175.86 = 22,129.69 : x
  2. Step 2: Convert to fraction form
    75,436.45/113,175.86 = 22,129.69/x
  3. Step 3: Cross multiply
    75,436.45x = 113,175.86 × 22,129.69
  4. Step 4: Simplify right side
    75,436.45x = 2,504,546,697.28
  5. Step 5: Solve for x
    x = 2,504,546,697.28/75,436.45
  6. Step 6: Final answer
    x = 33,200.75

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1.5x scale

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.