Home / 108,321.33-149,480.63-59,922

Finding the Fourth Proportional to 108,321.33, 149,480.63 and 59,922

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Solution

The fourth proportional to 108,321.33, 149,480.63 and 59,922 is: 82,690.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,321.33 : 149,480.63 = 59,922 : x
  2. Step 2: Convert to fraction form
    108,321.33/149,480.63 = 59,922/x
  3. Step 3: Cross multiply
    108,321.33x = 149,480.63 × 59,922
  4. Step 4: Simplify right side
    108,321.33x = 8,957,178,460.67
  5. Step 5: Solve for x
    x = 8,957,178,460.67/108,321.33
  6. Step 6: Final answer
    x = 82,690.81

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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.