Home / 74,917.62-103,389.46-43,086.54

Finding the Fourth Proportional to 74,917.62, 103,389.46 and 43,086.54

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Solution

The fourth proportional to 74,917.62, 103,389.46 and 43,086.54 is: 59,461.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,917.62 : 103,389.46 = 43,086.54 : x
  2. Step 2: Convert to fraction form
    74,917.62/103,389.46 = 43,086.54/x
  3. Step 3: Cross multiply
    74,917.62x = 103,389.46 × 43,086.54
  4. Step 4: Simplify right side
    74,917.62x = 4,454,694,103.87
  5. Step 5: Solve for x
    x = 4,454,694,103.87/74,917.62
  6. Step 6: Final answer
    x = 59,461.23

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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.