Home / 74,923.92-103,387.32-43,086.60

Finding the Fourth Proportional to 74,923.92, 103,387.32 and 43,086.60

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Solution

The fourth proportional to 74,923.92, 103,387.32 and 43,086.60 is: 59,455.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,923.92 : 103,387.32 = 43,086.60 : x
  2. Step 2: Convert to fraction form
    74,923.92/103,387.32 = 43,086.60/x
  3. Step 3: Cross multiply
    74,923.92x = 103,387.32 × 43,086.60
  4. Step 4: Simplify right side
    74,923.92x = 4,454,608,101.91
  5. Step 5: Solve for x
    x = 4,454,608,101.91/74,923.92
  6. Step 6: Final answer
    x = 59,455.09

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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.