Home / 74,634.77-102,997.83-45,943.76

Finding the Fourth Proportional to 74,634.77, 102,997.83 and 45,943.76

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Solution

The fourth proportional to 74,634.77, 102,997.83 and 45,943.76 is: 63,403.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,634.77 : 102,997.83 = 45,943.76 : x
  2. Step 2: Convert to fraction form
    74,634.77/102,997.83 = 45,943.76/x
  3. Step 3: Cross multiply
    74,634.77x = 102,997.83 × 45,943.76
  4. Step 4: Simplify right side
    74,634.77x = 4,732,107,067.05
  5. Step 5: Solve for x
    x = 4,732,107,067.05/74,634.77
  6. Step 6: Final answer
    x = 63,403.52

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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.