Home / 75,168.18-112,748.30-25,249.28

Finding the Fourth Proportional to 75,168.18, 112,748.30 and 25,249.28

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Solution

The fourth proportional to 75,168.18, 112,748.30 and 25,249.28 is: 37,872.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,168.18 : 112,748.30 = 25,249.28 : x
  2. Step 2: Convert to fraction form
    75,168.18/112,748.30 = 25,249.28/x
  3. Step 3: Cross multiply
    75,168.18x = 112,748.30 × 25,249.28
  4. Step 4: Simplify right side
    75,168.18x = 2,846,813,396.22
  5. Step 5: Solve for x
    x = 2,846,813,396.22/75,168.18
  6. Step 6: Final answer
    x = 37,872.59

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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.