Home / 74,936.12-103,410.62-40,943.86

Finding the Fourth Proportional to 74,936.12, 103,410.62 and 40,943.86

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Solution

The fourth proportional to 74,936.12, 103,410.62 and 40,943.86 is: 56,501.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,936.12 : 103,410.62 = 40,943.86 : x
  2. Step 2: Convert to fraction form
    74,936.12/103,410.62 = 40,943.86/x
  3. Step 3: Cross multiply
    74,936.12x = 103,410.62 × 40,943.86
  4. Step 4: Simplify right side
    74,936.12x = 4,234,029,947.79
  5. Step 5: Solve for x
    x = 4,234,029,947.79/74,936.12
  6. Step 6: Final answer
    x = 56,501.86

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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.