Home / 64,540.85-89,067.51-35,863.16

Finding the Fourth Proportional to 64,540.85, 89,067.51 and 35,863.16

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Solution

The fourth proportional to 64,540.85, 89,067.51 and 35,863.16 is: 49,491.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,540.85 : 89,067.51 = 35,863.16 : x
  2. Step 2: Convert to fraction form
    64,540.85/89,067.51 = 35,863.16/x
  3. Step 3: Cross multiply
    64,540.85x = 89,067.51 × 35,863.16
  4. Step 4: Simplify right side
    64,540.85x = 3,194,241,916.59
  5. Step 5: Solve for x
    x = 3,194,241,916.59/64,540.85
  6. Step 6: Final answer
    x = 49,491.79

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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.