Home / 67,052.20-100,643.10-33,809.80

Finding the Fourth Proportional to 67,052.20, 100,643.10 and 33,809.80

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Solution

The fourth proportional to 67,052.20, 100,643.10 and 33,809.80 is: 50,747.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,052.20 : 100,643.10 = 33,809.80 : x
  2. Step 2: Convert to fraction form
    67,052.20/100,643.10 = 33,809.80/x
  3. Step 3: Cross multiply
    67,052.20x = 100,643.10 × 33,809.80
  4. Step 4: Simplify right side
    67,052.20x = 3,402,723,082.38
  5. Step 5: Solve for x
    x = 3,402,723,082.38/67,052.20
  6. Step 6: Final answer
    x = 50,747.37

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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.