Home / 75,450.88-113,149.56-22,128.04

Finding the Fourth Proportional to 75,450.88, 113,149.56 and 22,128.04

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Solution

The fourth proportional to 75,450.88, 113,149.56 and 22,128.04 is: 33,184.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,450.88 : 113,149.56 = 22,128.04 : x
  2. Step 2: Convert to fraction form
    75,450.88/113,149.56 = 22,128.04/x
  3. Step 3: Cross multiply
    75,450.88x = 113,149.56 × 22,128.04
  4. Step 4: Simplify right side
    75,450.88x = 2,503,777,989.66
  5. Step 5: Solve for x
    x = 2,503,777,989.66/75,450.88
  6. Step 6: Final answer
    x = 33,184.21

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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.