Home / 72,220.21-108,103.34-49,598.43

Finding the Fourth Proportional to 72,220.21, 108,103.34 and 49,598.43

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Solution

The fourth proportional to 72,220.21, 108,103.34 and 49,598.43 is: 74,241.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,220.21 : 108,103.34 = 49,598.43 : x
  2. Step 2: Convert to fraction form
    72,220.21/108,103.34 = 49,598.43/x
  3. Step 3: Cross multiply
    72,220.21x = 108,103.34 × 49,598.43
  4. Step 4: Simplify right side
    72,220.21x = 5,361,755,660.36
  5. Step 5: Solve for x
    x = 5,361,755,660.36/72,220.21
  6. Step 6: Final answer
    x = 74,241.76

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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.