Home / 64,067.36-88,355.60-40,196.64

Finding the Fourth Proportional to 64,067.36, 88,355.60 and 40,196.64

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Solution

The fourth proportional to 64,067.36, 88,355.60 and 40,196.64 is: 55,435.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,067.36 : 88,355.60 = 40,196.64 : x
  2. Step 2: Convert to fraction form
    64,067.36/88,355.60 = 40,196.64/x
  3. Step 3: Cross multiply
    64,067.36x = 88,355.60 × 40,196.64
  4. Step 4: Simplify right side
    64,067.36x = 3,551,598,245.18
  5. Step 5: Solve for x
    x = 3,551,598,245.18/64,067.36
  6. Step 6: Final answer
    x = 55,435.38

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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.