Home / 73,865.64-110,811.42-31,771.56

Finding the Fourth Proportional to 73,865.64, 110,811.42 and 31,771.56

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Solution

The fourth proportional to 73,865.64, 110,811.42 and 31,771.56 is: 47,662.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,865.64 : 110,811.42 = 31,771.56 : x
  2. Step 2: Convert to fraction form
    73,865.64/110,811.42 = 31,771.56/x
  3. Step 3: Cross multiply
    73,865.64x = 110,811.42 × 31,771.56
  4. Step 4: Simplify right side
    73,865.64x = 3,520,651,679.22
  5. Step 5: Solve for x
    x = 3,520,651,679.22/73,865.64
  6. Step 6: Final answer
    x = 47,662.91

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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.