Home / 90,062.28-135,065.34-33,910.20

Finding the Fourth Proportional to 90,062.28, 135,065.34 and 33,910.20

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Solution

The fourth proportional to 90,062.28, 135,065.34 and 33,910.20 is: 50,854.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,062.28 : 135,065.34 = 33,910.20 : x
  2. Step 2: Convert to fraction form
    90,062.28/135,065.34 = 33,910.20/x
  3. Step 3: Cross multiply
    90,062.28x = 135,065.34 × 33,910.20
  4. Step 4: Simplify right side
    90,062.28x = 4,580,092,692.47
  5. Step 5: Solve for x
    x = 4,580,092,692.47/90,062.28
  6. Step 6: Final answer
    x = 50,854.73

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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.