Home / 53,919.06-80,889.12-16,480.86

Finding the Fourth Proportional to 53,919.06, 80,889.12 and 16,480.86

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Solution

The fourth proportional to 53,919.06, 80,889.12 and 16,480.86 is: 24,724.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,919.06 : 80,889.12 = 16,480.86 : x
  2. Step 2: Convert to fraction form
    53,919.06/80,889.12 = 16,480.86/x
  3. Step 3: Cross multiply
    53,919.06x = 80,889.12 × 16,480.86
  4. Step 4: Simplify right side
    53,919.06x = 1,333,122,262.24
  5. Step 5: Solve for x
    x = 1,333,122,262.24/53,919.06
  6. Step 6: Final answer
    x = 24,724.51

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1.5x scale

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.