Home / 85,093.07-117,464.78-60,579.71

Finding the Fourth Proportional to 85,093.07, 117,464.78 and 60,579.71

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Solution

The fourth proportional to 85,093.07, 117,464.78 and 60,579.71 is: 83,625.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,093.07 : 117,464.78 = 60,579.71 : x
  2. Step 2: Convert to fraction form
    85,093.07/117,464.78 = 60,579.71/x
  3. Step 3: Cross multiply
    85,093.07x = 117,464.78 × 60,579.71
  4. Step 4: Simplify right side
    85,093.07x = 7,115,981,871.74
  5. Step 5: Solve for x
    x = 7,115,981,871.74/85,093.07
  6. Step 6: Final answer
    x = 83,625.87

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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.