Home / 73,861.32-110,782.26-20,556.84

Finding the Fourth Proportional to 73,861.32, 110,782.26 and 20,556.84

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Solution

The fourth proportional to 73,861.32, 110,782.26 and 20,556.84 is: 30,832.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,861.32 : 110,782.26 = 20,556.84 : x
  2. Step 2: Convert to fraction form
    73,861.32/110,782.26 = 20,556.84/x
  3. Step 3: Cross multiply
    73,861.32x = 110,782.26 × 20,556.84
  4. Step 4: Simplify right side
    73,861.32x = 2,277,333,193.66
  5. Step 5: Solve for x
    x = 2,277,333,193.66/73,861.32
  6. Step 6: Final answer
    x = 30,832.55

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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.