Home / 79,723.60-119,542.20-32,981.20

Finding the Fourth Proportional to 79,723.60, 119,542.20 and 32,981.20

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Solution

The fourth proportional to 79,723.60, 119,542.20 and 32,981.20 is: 49,453.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,723.60 : 119,542.20 = 32,981.20 : x
  2. Step 2: Convert to fraction form
    79,723.60/119,542.20 = 32,981.20/x
  3. Step 3: Cross multiply
    79,723.60x = 119,542.20 × 32,981.20
  4. Step 4: Simplify right side
    79,723.60x = 3,942,645,206.64
  5. Step 5: Solve for x
    x = 3,942,645,206.64/79,723.60
  6. Step 6: Final answer
    x = 49,453.93

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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.