Home / 81,942.28-122,926.38-29,350.60

Finding the Fourth Proportional to 81,942.28, 122,926.38 and 29,350.60

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Solution

The fourth proportional to 81,942.28, 122,926.38 and 29,350.60 is: 44,030.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,942.28 : 122,926.38 = 29,350.60 : x
  2. Step 2: Convert to fraction form
    81,942.28/122,926.38 = 29,350.60/x
  3. Step 3: Cross multiply
    81,942.28x = 122,926.38 × 29,350.60
  4. Step 4: Simplify right side
    81,942.28x = 3,607,963,008.83
  5. Step 5: Solve for x
    x = 3,607,963,008.83/81,942.28
  6. Step 6: Final answer
    x = 44,030.54

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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.