Home / 77,344.20-116,016.30-54,793.80

Finding the Fourth Proportional to 77,344.20, 116,016.30 and 54,793.80

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Solution

The fourth proportional to 77,344.20, 116,016.30 and 54,793.80 is: 82,190.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,344.20 : 116,016.30 = 54,793.80 : x
  2. Step 2: Convert to fraction form
    77,344.20/116,016.30 = 54,793.80/x
  3. Step 3: Cross multiply
    77,344.20x = 116,016.30 × 54,793.80
  4. Step 4: Simplify right side
    77,344.20x = 6,356,973,938.94
  5. Step 5: Solve for x
    x = 6,356,973,938.94/77,344.20
  6. Step 6: Final answer
    x = 82,190.70

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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.