Home / 45,528.12-68,321.25-22,141.80

Finding the Fourth Proportional to 45,528.12, 68,321.25 and 22,141.80

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Solution

The fourth proportional to 45,528.12, 68,321.25 and 22,141.80 is: 33,226.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,528.12 : 68,321.25 = 22,141.80 : x
  2. Step 2: Convert to fraction form
    45,528.12/68,321.25 = 22,141.80/x
  3. Step 3: Cross multiply
    45,528.12x = 68,321.25 × 22,141.80
  4. Step 4: Simplify right side
    45,528.12x = 1,512,755,453.25
  5. Step 5: Solve for x
    x = 1,512,755,453.25/45,528.12
  6. Step 6: Final answer
    x = 33,226.84

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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.