Home / 52,778.76-79,168.68-13,335.92

Finding the Fourth Proportional to 52,778.76, 79,168.68 and 13,335.92

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Solution

The fourth proportional to 52,778.76, 79,168.68 and 13,335.92 is: 20,004.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,778.76 : 79,168.68 = 13,335.92 : x
  2. Step 2: Convert to fraction form
    52,778.76/79,168.68 = 13,335.92/x
  3. Step 3: Cross multiply
    52,778.76x = 79,168.68 × 13,335.92
  4. Step 4: Simplify right side
    52,778.76x = 1,055,787,380.91
  5. Step 5: Solve for x
    x = 1,055,787,380.91/52,778.76
  6. Step 6: Final answer
    x = 20,004.02

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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.