Home / 79,334.25-119,002.15-20,169.92

Finding the Fourth Proportional to 79,334.25, 119,002.15 and 20,169.92

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Solution

The fourth proportional to 79,334.25, 119,002.15 and 20,169.92 is: 30,255.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,334.25 : 119,002.15 = 20,169.92 : x
  2. Step 2: Convert to fraction form
    79,334.25/119,002.15 = 20,169.92/x
  3. Step 3: Cross multiply
    79,334.25x = 119,002.15 × 20,169.92
  4. Step 4: Simplify right side
    79,334.25x = 2,400,263,845.33
  5. Step 5: Solve for x
    x = 2,400,263,845.33/79,334.25
  6. Step 6: Final answer
    x = 30,255.08

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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.