Home / 53,919.90-80,879.85-16,480.08

Finding the Fourth Proportional to 53,919.90, 80,879.85 and 16,480.08

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Solution

The fourth proportional to 53,919.90, 80,879.85 and 16,480.08 is: 24,720.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,919.90 : 80,879.85 = 16,480.08 : x
  2. Step 2: Convert to fraction form
    53,919.90/80,879.85 = 16,480.08/x
  3. Step 3: Cross multiply
    53,919.90x = 80,879.85 × 16,480.08
  4. Step 4: Simplify right side
    53,919.90x = 1,332,906,315.99
  5. Step 5: Solve for x
    x = 1,332,906,315.99/53,919.90
  6. Step 6: Final answer
    x = 24,720.12

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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.