Home / 108,822.44-150,189.62-61,078.40

Finding the Fourth Proportional to 108,822.44, 150,189.62 and 61,078.40

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Solution

The fourth proportional to 108,822.44, 150,189.62 and 61,078.40 is: 84,296.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,822.44 : 150,189.62 = 61,078.40 : x
  2. Step 2: Convert to fraction form
    108,822.44/150,189.62 = 61,078.40/x
  3. Step 3: Cross multiply
    108,822.44x = 150,189.62 × 61,078.40
  4. Step 4: Simplify right side
    108,822.44x = 9,173,340,629.87
  5. Step 5: Solve for x
    x = 9,173,340,629.87/108,822.44
  6. Step 6: Final answer
    x = 84,296.41

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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.