Home / 74,844.91-103,286.94-40,854.37

Finding the Fourth Proportional to 74,844.91, 103,286.94 and 40,854.37

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Solution

The fourth proportional to 74,844.91, 103,286.94 and 40,854.37 is: 56,379.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,844.91 : 103,286.94 = 40,854.37 : x
  2. Step 2: Convert to fraction form
    74,844.91/103,286.94 = 40,854.37/x
  3. Step 3: Cross multiply
    74,844.91x = 103,286.94 × 40,854.37
  4. Step 4: Simplify right side
    74,844.91x = 4,219,723,070.08
  5. Step 5: Solve for x
    x = 4,219,723,070.08/74,844.91
  6. Step 6: Final answer
    x = 56,379.56

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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.