Home / 75,657.12-113,467.46-33,513.90

Finding the Fourth Proportional to 75,657.12, 113,467.46 and 33,513.90

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Solution

The fourth proportional to 75,657.12, 113,467.46 and 33,513.90 is: 50,262.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,657.12 : 113,467.46 = 33,513.90 : x
  2. Step 2: Convert to fraction form
    75,657.12/113,467.46 = 33,513.90/x
  3. Step 3: Cross multiply
    75,657.12x = 113,467.46 × 33,513.90
  4. Step 4: Simplify right side
    75,657.12x = 3,802,736,940.12
  5. Step 5: Solve for x
    x = 3,802,736,940.12/75,657.12
  6. Step 6: Final answer
    x = 50,262.78

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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.