Home / 64,318.60-96,441.78-44,078.20

Finding the Fourth Proportional to 64,318.60, 96,441.78 and 44,078.20

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Solution

The fourth proportional to 64,318.60, 96,441.78 and 44,078.20 is: 66,092.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,318.60 : 96,441.78 = 44,078.20 : x
  2. Step 2: Convert to fraction form
    64,318.60/96,441.78 = 44,078.20/x
  3. Step 3: Cross multiply
    64,318.60x = 96,441.78 × 44,078.20
  4. Step 4: Simplify right side
    64,318.60x = 4,250,980,067.20
  5. Step 5: Solve for x
    x = 4,250,980,067.20/64,318.60
  6. Step 6: Final answer
    x = 66,092.55

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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.