Home / 85,296.07-117,730.16-49,481.52

Finding the Fourth Proportional to 85,296.07, 117,730.16 and 49,481.52

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Solution

The fourth proportional to 85,296.07, 117,730.16 and 49,481.52 is: 68,297.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,296.07 : 117,730.16 = 49,481.52 : x
  2. Step 2: Convert to fraction form
    85,296.07/117,730.16 = 49,481.52/x
  3. Step 3: Cross multiply
    85,296.07x = 117,730.16 × 49,481.52
  4. Step 4: Simplify right side
    85,296.07x = 5,825,467,266.64
  5. Step 5: Solve for x
    x = 5,825,467,266.64/85,296.07
  6. Step 6: Final answer
    x = 68,297.02

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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.