Home / 72,469.04-108,738.36-37,408.73

Finding the Fourth Proportional to 72,469.04, 108,738.36 and 37,408.73

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Solution

The fourth proportional to 72,469.04, 108,738.36 and 37,408.73 is: 56,131.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,469.04 : 108,738.36 = 37,408.73 : x
  2. Step 2: Convert to fraction form
    72,469.04/108,738.36 = 37,408.73/x
  3. Step 3: Cross multiply
    72,469.04x = 108,738.36 × 37,408.73
  4. Step 4: Simplify right side
    72,469.04x = 4,067,763,406.19
  5. Step 5: Solve for x
    x = 4,067,763,406.19/72,469.04
  6. Step 6: Final answer
    x = 56,131.06

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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.