Home / 81,926.66-122,896.62-22,762.34

Finding the Fourth Proportional to 81,926.66, 122,896.62 and 22,762.34

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Solution

The fourth proportional to 81,926.66, 122,896.62 and 22,762.34 is: 34,145.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,926.66 : 122,896.62 = 22,762.34 : x
  2. Step 2: Convert to fraction form
    81,926.66/122,896.62 = 22,762.34/x
  3. Step 3: Cross multiply
    81,926.66x = 122,896.62 × 22,762.34
  4. Step 4: Simplify right side
    81,926.66x = 2,797,414,034.81
  5. Step 5: Solve for x
    x = 2,797,414,034.81/81,926.66
  6. Step 6: Final answer
    x = 34,145.35

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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.