Home / 57,786.84-86,678.98-26,622.09

Finding the Fourth Proportional to 57,786.84, 86,678.98 and 26,622.09

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Solution

The fourth proportional to 57,786.84, 86,678.98 and 26,622.09 is: 39,932.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,786.84 : 86,678.98 = 26,622.09 : x
  2. Step 2: Convert to fraction form
    57,786.84/86,678.98 = 26,622.09/x
  3. Step 3: Cross multiply
    57,786.84x = 86,678.98 × 26,622.09
  4. Step 4: Simplify right side
    57,786.84x = 2,307,575,540.11
  5. Step 5: Solve for x
    x = 2,307,575,540.11/57,786.84
  6. Step 6: Final answer
    x = 39,932.54

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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.