Home / 81,927.66-122,898.12-22,763.34

Finding the Fourth Proportional to 81,927.66, 122,898.12 and 22,763.34

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Solution

The fourth proportional to 81,927.66, 122,898.12 and 22,763.34 is: 34,146.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,927.66 : 122,898.12 = 22,763.34 : x
  2. Step 2: Convert to fraction form
    81,927.66/122,898.12 = 22,763.34/x
  3. Step 3: Cross multiply
    81,927.66x = 122,898.12 × 22,763.34
  4. Step 4: Simplify right side
    81,927.66x = 2,797,571,690.92
  5. Step 5: Solve for x
    x = 2,797,571,690.92/81,927.66
  6. Step 6: Final answer
    x = 34,146.85

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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.