Home / 74,917.36-103,361.16-49,436.38

Finding the Fourth Proportional to 74,917.36, 103,361.16 and 49,436.38

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Solution

The fourth proportional to 74,917.36, 103,361.16 and 49,436.38 is: 68,205.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,917.36 : 103,361.16 = 49,436.38 : x
  2. Step 2: Convert to fraction form
    74,917.36/103,361.16 = 49,436.38/x
  3. Step 3: Cross multiply
    74,917.36x = 103,361.16 × 49,436.38
  4. Step 4: Simplify right side
    74,917.36x = 5,109,801,583.00
  5. Step 5: Solve for x
    x = 5,109,801,583.00/74,917.36
  6. Step 6: Final answer
    x = 68,205.84

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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.