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Finding the Fourth Proportional to 71,912, 107,868 and 22,664

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Solution

The fourth proportional to 71,912, 107,868 and 22,664 is: 33,996

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,912 : 107,868 = 22,664 : x
  2. Step 2: Convert to fraction form
    71,912/107,868 = 22,664/x
  3. Step 3: Cross multiply
    71,912x = 107,868 × 22,664
  4. Step 4: Simplify right side
    71,912x = 2,444,720,352
  5. Step 5: Solve for x
    x = 2,444,720,352/71,912
  6. Step 6: Final answer
    x = 33,996

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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.