Home / 74,203.54-102,395.73-43,987.30

Finding the Fourth Proportional to 74,203.54, 102,395.73 and 43,987.30

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Solution

The fourth proportional to 74,203.54, 102,395.73 and 43,987.30 is: 60,699.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,203.54 : 102,395.73 = 43,987.30 : x
  2. Step 2: Convert to fraction form
    74,203.54/102,395.73 = 43,987.30/x
  3. Step 3: Cross multiply
    74,203.54x = 102,395.73 × 43,987.30
  4. Step 4: Simplify right side
    74,203.54x = 4,504,111,694.23
  5. Step 5: Solve for x
    x = 4,504,111,694.23/74,203.54
  6. Step 6: Final answer
    x = 60,699.42

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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.