Home / 77,514.60-116,297.79-30,131.29

Finding the Fourth Proportional to 77,514.60, 116,297.79 and 30,131.29

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Solution

The fourth proportional to 77,514.60, 116,297.79 and 30,131.29 is: 45,206.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,514.60 : 116,297.79 = 30,131.29 : x
  2. Step 2: Convert to fraction form
    77,514.60/116,297.79 = 30,131.29/x
  3. Step 3: Cross multiply
    77,514.60x = 116,297.79 × 30,131.29
  4. Step 4: Simplify right side
    77,514.60x = 3,504,201,704.70
  5. Step 5: Solve for x
    x = 3,504,201,704.70/77,514.60
  6. Step 6: Final answer
    x = 45,206.99

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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.