Home / 79,983.22-119,900.68-30,096.39

Finding the Fourth Proportional to 79,983.22, 119,900.68 and 30,096.39

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Solution

The fourth proportional to 79,983.22, 119,900.68 and 30,096.39 is: 45,116.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,983.22 : 119,900.68 = 30,096.39 : x
  2. Step 2: Convert to fraction form
    79,983.22/119,900.68 = 30,096.39/x
  3. Step 3: Cross multiply
    79,983.22x = 119,900.68 × 30,096.39
  4. Step 4: Simplify right side
    79,983.22x = 3,608,577,073.92
  5. Step 5: Solve for x
    x = 3,608,577,073.92/79,983.22
  6. Step 6: Final answer
    x = 45,116.68

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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.