Home / 79,562.20-119,334.38-20,399.26

Finding the Fourth Proportional to 79,562.20, 119,334.38 and 20,399.26

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Solution

The fourth proportional to 79,562.20, 119,334.38 and 20,399.26 is: 30,596.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,562.20 : 119,334.38 = 20,399.26 : x
  2. Step 2: Convert to fraction form
    79,562.20/119,334.38 = 20,399.26/x
  3. Step 3: Cross multiply
    79,562.20x = 119,334.38 × 20,399.26
  4. Step 4: Simplify right side
    79,562.20x = 2,434,332,345.89
  5. Step 5: Solve for x
    x = 2,434,332,345.89/79,562.20
  6. Step 6: Final answer
    x = 30,596.60

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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.