Home / 79,168.12-118,722.44-25,847.64

Finding the Fourth Proportional to 79,168.12, 118,722.44 and 25,847.64

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Solution

The fourth proportional to 79,168.12, 118,722.44 and 25,847.64 is: 38,761.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,168.12 : 118,722.44 = 25,847.64 : x
  2. Step 2: Convert to fraction form
    79,168.12/118,722.44 = 25,847.64/x
  3. Step 3: Cross multiply
    79,168.12x = 118,722.44 × 25,847.64
  4. Step 4: Simplify right side
    79,168.12x = 3,068,694,889.04
  5. Step 5: Solve for x
    x = 3,068,694,889.04/79,168.12
  6. Step 6: Final answer
    x = 38,761.75

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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.