Home / 81,927.72-122,898.24-22,763.39

Finding the Fourth Proportional to 81,927.72, 122,898.24 and 22,763.39

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Solution

The fourth proportional to 81,927.72, 122,898.24 and 22,763.39 is: 34,146.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,927.72 : 122,898.24 = 22,763.39 : x
  2. Step 2: Convert to fraction form
    81,927.72/122,898.24 = 22,763.39/x
  3. Step 3: Cross multiply
    81,927.72x = 122,898.24 × 22,763.39
  4. Step 4: Simplify right side
    81,927.72x = 2,797,580,567.43
  5. Step 5: Solve for x
    x = 2,797,580,567.43/81,927.72
  6. Step 6: Final answer
    x = 34,146.94

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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.