Home / 108,078.22-149,147.35-62,767.33

Finding the Fourth Proportional to 108,078.22, 149,147.35 and 62,767.33

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Solution

The fourth proportional to 108,078.22, 149,147.35 and 62,767.33 is: 86,618.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,078.22 : 149,147.35 = 62,767.33 : x
  2. Step 2: Convert to fraction form
    108,078.22/149,147.35 = 62,767.33/x
  3. Step 3: Cross multiply
    108,078.22x = 149,147.35 × 62,767.33
  4. Step 4: Simplify right side
    108,078.22x = 9,361,580,936.08
  5. Step 5: Solve for x
    x = 9,361,580,936.08/108,078.22
  6. Step 6: Final answer
    x = 86,618.57

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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.