Home / 108,231.73-149,360.33-60,485.87

Finding the Fourth Proportional to 108,231.73, 149,360.33 and 60,485.87

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Solution

The fourth proportional to 108,231.73, 149,360.33 and 60,485.87 is: 83,470.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,231.73 : 149,360.33 = 60,485.87 : x
  2. Step 2: Convert to fraction form
    108,231.73/149,360.33 = 60,485.87/x
  3. Step 3: Cross multiply
    108,231.73x = 149,360.33 × 60,485.87
  4. Step 4: Simplify right side
    108,231.73x = 9,034,190,028.15
  5. Step 5: Solve for x
    x = 9,034,190,028.15/108,231.73
  6. Step 6: Final answer
    x = 83,470.81

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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.