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Finding the Fourth Proportional to 62,108.70, 93,161.96 and 15,361.57

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Solution

The fourth proportional to 62,108.70, 93,161.96 and 15,361.57 is: 23,042.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,108.70 : 93,161.96 = 15,361.57 : x
  2. Step 2: Convert to fraction form
    62,108.70/93,161.96 = 15,361.57/x
  3. Step 3: Cross multiply
    62,108.70x = 93,161.96 × 15,361.57
  4. Step 4: Simplify right side
    62,108.70x = 1,431,113,969.88
  5. Step 5: Solve for x
    x = 1,431,113,969.88/62,108.70
  6. Step 6: Final answer
    x = 23,042.09

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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.