Home / 74,639.64-102,997.96-41,105.64

Finding the Fourth Proportional to 74,639.64, 102,997.96 and 41,105.64

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Solution

The fourth proportional to 74,639.64, 102,997.96 and 41,105.64 is: 56,723.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,639.64 : 102,997.96 = 41,105.64 : x
  2. Step 2: Convert to fraction form
    74,639.64/102,997.96 = 41,105.64/x
  3. Step 3: Cross multiply
    74,639.64x = 102,997.96 × 41,105.64
  4. Step 4: Simplify right side
    74,639.64x = 4,233,797,064.49
  5. Step 5: Solve for x
    x = 4,233,797,064.49/74,639.64
  6. Step 6: Final answer
    x = 56,723.17

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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.