Home / 73,752.20-110,627.58-21,161.96

Finding the Fourth Proportional to 73,752.20, 110,627.58 and 21,161.96

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Solution

The fourth proportional to 73,752.20, 110,627.58 and 21,161.96 is: 31,742.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,752.20 : 110,627.58 = 21,161.96 : x
  2. Step 2: Convert to fraction form
    73,752.20/110,627.58 = 21,161.96/x
  3. Step 3: Cross multiply
    73,752.20x = 110,627.58 × 21,161.96
  4. Step 4: Simplify right side
    73,752.20x = 2,341,096,422.86
  5. Step 5: Solve for x
    x = 2,341,096,422.86/73,752.20
  6. Step 6: Final answer
    x = 31,742.73

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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.