Home / 74,843.07-103,283.41-51,011.36

Finding the Fourth Proportional to 74,843.07, 103,283.41 and 51,011.36

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Solution

The fourth proportional to 74,843.07, 103,283.41 and 51,011.36 is: 70,395.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,843.07 : 103,283.41 = 51,011.36 : x
  2. Step 2: Convert to fraction form
    74,843.07/103,283.41 = 51,011.36/x
  3. Step 3: Cross multiply
    74,843.07x = 103,283.41 × 51,011.36
  4. Step 4: Simplify right side
    74,843.07x = 5,268,627,467.75
  5. Step 5: Solve for x
    x = 5,268,627,467.75/74,843.07
  6. Step 6: Final answer
    x = 70,395.66

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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.