Home / 79,795.11-119,682.95-20,625.83

Finding the Fourth Proportional to 79,795.11, 119,682.95 and 20,625.83

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Solution

The fourth proportional to 79,795.11, 119,682.95 and 20,625.83 is: 30,936.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,795.11 : 119,682.95 = 20,625.83 : x
  2. Step 2: Convert to fraction form
    79,795.11/119,682.95 = 20,625.83/x
  3. Step 3: Cross multiply
    79,795.11x = 119,682.95 × 20,625.83
  4. Step 4: Simplify right side
    79,795.11x = 2,468,560,180.60
  5. Step 5: Solve for x
    x = 2,468,560,180.60/79,795.11
  6. Step 6: Final answer
    x = 30,936.23

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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.