Home / 73,174.32-109,777.88-30,480.44

Finding the Fourth Proportional to 73,174.32, 109,777.88 and 30,480.44

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Solution

The fourth proportional to 73,174.32, 109,777.88 and 30,480.44 is: 45,727.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,174.32 : 109,777.88 = 30,480.44 : x
  2. Step 2: Convert to fraction form
    73,174.32/109,777.88 = 30,480.44/x
  3. Step 3: Cross multiply
    73,174.32x = 109,777.88 × 30,480.44
  4. Step 4: Simplify right side
    73,174.32x = 3,346,077,611.98
  5. Step 5: Solve for x
    x = 3,346,077,611.98/73,174.32
  6. Step 6: Final answer
    x = 45,727.48

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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.