Home / 79,102.20-118,588.26-36,961.44

Finding the Fourth Proportional to 79,102.20, 118,588.26 and 36,961.44

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Solution

The fourth proportional to 79,102.20, 118,588.26 and 36,961.44 is: 55,411.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,102.20 : 118,588.26 = 36,961.44 : x
  2. Step 2: Convert to fraction form
    79,102.20/118,588.26 = 36,961.44/x
  3. Step 3: Cross multiply
    79,102.20x = 118,588.26 × 36,961.44
  4. Step 4: Simplify right side
    79,102.20x = 4,383,192,856.69
  5. Step 5: Solve for x
    x = 4,383,192,856.69/79,102.20
  6. Step 6: Final answer
    x = 55,411.77

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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.