Home / 64,067.20-88,403.92-35,769.28

Finding the Fourth Proportional to 64,067.20, 88,403.92 and 35,769.28

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Solution

The fourth proportional to 64,067.20, 88,403.92 and 35,769.28 is: 49,356.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,067.20 : 88,403.92 = 35,769.28 : x
  2. Step 2: Convert to fraction form
    64,067.20/88,403.92 = 35,769.28/x
  3. Step 3: Cross multiply
    64,067.20x = 88,403.92 × 35,769.28
  4. Step 4: Simplify right side
    64,067.20x = 3,162,144,567.58
  5. Step 5: Solve for x
    x = 3,162,144,567.58/64,067.20
  6. Step 6: Final answer
    x = 49,356.68

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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.