Home / 53,168.26-73,380.30-40,400.64

Finding the Fourth Proportional to 53,168.26, 73,380.30 and 40,400.64

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Solution

The fourth proportional to 53,168.26, 73,380.30 and 40,400.64 is: 55,759.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,168.26 : 73,380.30 = 40,400.64 : x
  2. Step 2: Convert to fraction form
    53,168.26/73,380.30 = 40,400.64/x
  3. Step 3: Cross multiply
    53,168.26x = 73,380.30 × 40,400.64
  4. Step 4: Simplify right side
    53,168.26x = 2,964,611,083.39
  5. Step 5: Solve for x
    x = 2,964,611,083.39/53,168.26
  6. Step 6: Final answer
    x = 55,759.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.