Home / 87,204.32-120,354.18-50,917.64

Finding the Fourth Proportional to 87,204.32, 120,354.18 and 50,917.64

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Solution

The fourth proportional to 87,204.32, 120,354.18 and 50,917.64 is: 70,273.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,204.32 : 120,354.18 = 50,917.64 : x
  2. Step 2: Convert to fraction form
    87,204.32/120,354.18 = 50,917.64/x
  3. Step 3: Cross multiply
    87,204.32x = 120,354.18 × 50,917.64
  4. Step 4: Simplify right side
    87,204.32x = 6,128,150,809.74
  5. Step 5: Solve for x
    x = 6,128,150,809.74/87,204.32
  6. Step 6: Final answer
    x = 70,273.48

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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.