Home / 74,947.43-103,355.97-49,067.36

Finding the Fourth Proportional to 74,947.43, 103,355.97 and 49,067.36

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Solution

The fourth proportional to 74,947.43, 103,355.97 and 49,067.36 is: 67,666.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,947.43 : 103,355.97 = 49,067.36 : x
  2. Step 2: Convert to fraction form
    74,947.43/103,355.97 = 49,067.36/x
  3. Step 3: Cross multiply
    74,947.43x = 103,355.97 × 49,067.36
  4. Step 4: Simplify right side
    74,947.43x = 5,071,404,588.14
  5. Step 5: Solve for x
    x = 5,071,404,588.14/74,947.43
  6. Step 6: Final answer
    x = 67,666.16

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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.