Home / 85,257.54-117,650.61-47,015.82

Finding the Fourth Proportional to 85,257.54, 117,650.61 and 47,015.82

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Solution

The fourth proportional to 85,257.54, 117,650.61 and 47,015.82 is: 64,879.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,257.54 : 117,650.61 = 47,015.82 : x
  2. Step 2: Convert to fraction form
    85,257.54/117,650.61 = 47,015.82/x
  3. Step 3: Cross multiply
    85,257.54x = 117,650.61 × 47,015.82
  4. Step 4: Simplify right side
    85,257.54x = 5,531,439,902.65
  5. Step 5: Solve for x
    x = 5,531,439,902.65/85,257.54
  6. Step 6: Final answer
    x = 64,879.19

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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.