Home / 52,778.88-79,168.32-17,718.60

Finding the Fourth Proportional to 52,778.88, 79,168.32 and 17,718.60

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Solution

The fourth proportional to 52,778.88, 79,168.32 and 17,718.60 is: 26,577.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,778.88 : 79,168.32 = 17,718.60 : x
  2. Step 2: Convert to fraction form
    52,778.88/79,168.32 = 17,718.60/x
  3. Step 3: Cross multiply
    52,778.88x = 79,168.32 × 17,718.60
  4. Step 4: Simplify right side
    52,778.88x = 1,402,751,794.75
  5. Step 5: Solve for x
    x = 1,402,751,794.75/52,778.88
  6. Step 6: Final answer
    x = 26,577.90

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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.