Home / 76,105.26-114,129.51-26,171.22

Finding the Fourth Proportional to 76,105.26, 114,129.51 and 26,171.22

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Solution

The fourth proportional to 76,105.26, 114,129.51 and 26,171.22 is: 39,247.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,105.26 : 114,129.51 = 26,171.22 : x
  2. Step 2: Convert to fraction form
    76,105.26/114,129.51 = 26,171.22/x
  3. Step 3: Cross multiply
    76,105.26x = 114,129.51 × 26,171.22
  4. Step 4: Simplify right side
    76,105.26x = 2,986,908,514.70
  5. Step 5: Solve for x
    x = 2,986,908,514.70/76,105.26
  6. Step 6: Final answer
    x = 39,247.07

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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.