Home / 75,622.88-113,364.22-33,480.50

Finding the Fourth Proportional to 75,622.88, 113,364.22 and 33,480.50

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Solution

The fourth proportional to 75,622.88, 113,364.22 and 33,480.50 is: 50,189.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,622.88 : 113,364.22 = 33,480.50 : x
  2. Step 2: Convert to fraction form
    75,622.88/113,364.22 = 33,480.50/x
  3. Step 3: Cross multiply
    75,622.88x = 113,364.22 × 33,480.50
  4. Step 4: Simplify right side
    75,622.88x = 3,795,490,767.71
  5. Step 5: Solve for x
    x = 3,795,490,767.71/75,622.88
  6. Step 6: Final answer
    x = 50,189.71

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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.