Home / 100,559.09-150,838.62-25,676.58

Finding the Fourth Proportional to 100,559.09, 150,838.62 and 25,676.58

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Solution

The fourth proportional to 100,559.09, 150,838.62 and 25,676.58 is: 38,514.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,559.09 : 150,838.62 = 25,676.58 : x
  2. Step 2: Convert to fraction form
    100,559.09/150,838.62 = 25,676.58/x
  3. Step 3: Cross multiply
    100,559.09x = 150,838.62 × 25,676.58
  4. Step 4: Simplify right side
    100,559.09x = 3,873,019,893.52
  5. Step 5: Solve for x
    x = 3,873,019,893.52/100,559.09
  6. Step 6: Final answer
    x = 38,514.87

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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.