Home / 82,823.82-124,218.30-26,668.98

Finding the Fourth Proportional to 82,823.82, 124,218.30 and 26,668.98

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Solution

The fourth proportional to 82,823.82, 124,218.30 and 26,668.98 is: 39,997.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,823.82 : 124,218.30 = 26,668.98 : x
  2. Step 2: Convert to fraction form
    82,823.82/124,218.30 = 26,668.98/x
  3. Step 3: Cross multiply
    82,823.82x = 124,218.30 × 26,668.98
  4. Step 4: Simplify right side
    82,823.82x = 3,312,775,358.33
  5. Step 5: Solve for x
    x = 3,312,775,358.33/82,823.82
  6. Step 6: Final answer
    x = 39,997.86

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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.