Home / 127,819.90-191,757.53-48,934.13

Finding the Fourth Proportional to 127,819.90, 191,757.53 and 48,934.13

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Solution

The fourth proportional to 127,819.90, 191,757.53 and 48,934.13 is: 73,411.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,819.90 : 191,757.53 = 48,934.13 : x
  2. Step 2: Convert to fraction form
    127,819.90/191,757.53 = 48,934.13/x
  3. Step 3: Cross multiply
    127,819.90x = 191,757.53 × 48,934.13
  4. Step 4: Simplify right side
    127,819.90x = 9,383,486,789.79
  5. Step 5: Solve for x
    x = 9,383,486,789.79/127,819.90
  6. Step 6: Final answer
    x = 73,411.78

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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.