Home / 76,324.14-114,556.68-54,999

Finding the Fourth Proportional to 76,324.14, 114,556.68 and 54,999

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Solution

The fourth proportional to 76,324.14, 114,556.68 and 54,999 is: 82,549.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,324.14 : 114,556.68 = 54,999 : x
  2. Step 2: Convert to fraction form
    76,324.14/114,556.68 = 54,999/x
  3. Step 3: Cross multiply
    76,324.14x = 114,556.68 × 54,999
  4. Step 4: Simplify right side
    76,324.14x = 6,300,502,843.32
  5. Step 5: Solve for x
    x = 6,300,502,843.32/76,324.14
  6. Step 6: Final answer
    x = 82,549.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.