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Finding the Fourth Proportional to 81,373.14, 122,000.57 and 34,001.79

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Solution

The fourth proportional to 81,373.14, 122,000.57 and 34,001.79 is: 50,977.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,373.14 : 122,000.57 = 34,001.79 : x
  2. Step 2: Convert to fraction form
    81,373.14/122,000.57 = 34,001.79/x
  3. Step 3: Cross multiply
    81,373.14x = 122,000.57 × 34,001.79
  4. Step 4: Simplify right side
    81,373.14x = 4,148,237,851.64
  5. Step 5: Solve for x
    x = 4,148,237,851.64/81,373.14
  6. Step 6: Final answer
    x = 50,977.97

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.