Home / 61,018.62-84,205.72-34,161.18

Finding the Fourth Proportional to 61,018.62, 84,205.72 and 34,161.18

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Solution

The fourth proportional to 61,018.62, 84,205.72 and 34,161.18 is: 47,142.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,018.62 : 84,205.72 = 34,161.18 : x
  2. Step 2: Convert to fraction form
    61,018.62/84,205.72 = 34,161.18/x
  3. Step 3: Cross multiply
    61,018.62x = 84,205.72 × 34,161.18
  4. Step 4: Simplify right side
    61,018.62x = 2,876,566,757.95
  5. Step 5: Solve for x
    x = 2,876,566,757.95/61,018.62
  6. Step 6: Final answer
    x = 47,142.44

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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.