Home / 75,625.20-113,322.60-63,874.80

Finding the Fourth Proportional to 75,625.20, 113,322.60 and 63,874.80

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Solution

The fourth proportional to 75,625.20, 113,322.60 and 63,874.80 is: 95,714.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,625.20 : 113,322.60 = 63,874.80 : x
  2. Step 2: Convert to fraction form
    75,625.20/113,322.60 = 63,874.80/x
  3. Step 3: Cross multiply
    75,625.20x = 113,322.60 × 63,874.80
  4. Step 4: Simplify right side
    75,625.20x = 7,238,458,410.48
  5. Step 5: Solve for x
    x = 7,238,458,410.48/75,625.20
  6. Step 6: Final answer
    x = 95,714.90

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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.