Home / 61,020.89-84,204.83-34,163.15

Finding the Fourth Proportional to 61,020.89, 84,204.83 and 34,163.15

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Solution

The fourth proportional to 61,020.89, 84,204.83 and 34,163.15 is: 47,142.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,020.89 : 84,204.83 = 34,163.15 : x
  2. Step 2: Convert to fraction form
    61,020.89/84,204.83 = 34,163.15/x
  3. Step 3: Cross multiply
    61,020.89x = 84,204.83 × 34,163.15
  4. Step 4: Simplify right side
    61,020.89x = 2,876,701,902.40
  5. Step 5: Solve for x
    x = 2,876,701,902.40/61,020.89
  6. Step 6: Final answer
    x = 47,142.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.