Home / 82,729.86-124,106.22-26,556.75

Finding the Fourth Proportional to 82,729.86, 124,106.22 and 26,556.75

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Solution

The fourth proportional to 82,729.86, 124,106.22 and 26,556.75 is: 39,838.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,729.86 : 124,106.22 = 26,556.75 : x
  2. Step 2: Convert to fraction form
    82,729.86/124,106.22 = 26,556.75/x
  3. Step 3: Cross multiply
    82,729.86x = 124,106.22 × 26,556.75
  4. Step 4: Simplify right side
    82,729.86x = 3,295,857,857.99
  5. Step 5: Solve for x
    x = 3,295,857,857.99/82,729.86
  6. Step 6: Final answer
    x = 39,838.79

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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.