Home / 74,616.55-102,976.17-41,913.61

Finding the Fourth Proportional to 74,616.55, 102,976.17 and 41,913.61

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Solution

The fourth proportional to 74,616.55, 102,976.17 and 41,913.61 is: 57,843.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,616.55 : 102,976.17 = 41,913.61 : x
  2. Step 2: Convert to fraction form
    74,616.55/102,976.17 = 41,913.61/x
  3. Step 3: Cross multiply
    74,616.55x = 102,976.17 × 41,913.61
  4. Step 4: Simplify right side
    74,616.55x = 4,316,103,028.67
  5. Step 5: Solve for x
    x = 4,316,103,028.67/74,616.55
  6. Step 6: Final answer
    x = 57,843.78

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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.