Home / 87,845.05-121,226.22-47,558.82

Finding the Fourth Proportional to 87,845.05, 121,226.22 and 47,558.82

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Solution

The fourth proportional to 87,845.05, 121,226.22 and 47,558.82 is: 65,631.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,845.05 : 121,226.22 = 47,558.82 : x
  2. Step 2: Convert to fraction form
    87,845.05/121,226.22 = 47,558.82/x
  3. Step 3: Cross multiply
    87,845.05x = 121,226.22 × 47,558.82
  4. Step 4: Simplify right side
    87,845.05x = 5,765,375,738.47
  5. Step 5: Solve for x
    x = 5,765,375,738.47/87,845.05
  6. Step 6: Final answer
    x = 65,631.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.