Home / 74,639.47-102,997.79-41,105.47

Finding the Fourth Proportional to 74,639.47, 102,997.79 and 41,105.47

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Solution

The fourth proportional to 74,639.47, 102,997.79 and 41,105.47 is: 56,722.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,639.47 : 102,997.79 = 41,105.47 : x
  2. Step 2: Convert to fraction form
    74,639.47/102,997.79 = 41,105.47/x
  3. Step 3: Cross multiply
    74,639.47x = 102,997.79 × 41,105.47
  4. Step 4: Simplify right side
    74,639.47x = 4,233,772,566.91
  5. Step 5: Solve for x
    x = 4,233,772,566.91/74,639.47
  6. Step 6: Final answer
    x = 56,722.97

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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.