Home / 108,419.73-149,619.21-60,682.29

Finding the Fourth Proportional to 108,419.73, 149,619.21 and 60,682.29

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Solution

The fourth proportional to 108,419.73, 149,619.21 and 60,682.29 is: 83,741.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,419.73 : 149,619.21 = 60,682.29 : x
  2. Step 2: Convert to fraction form
    108,419.73/149,619.21 = 60,682.29/x
  3. Step 3: Cross multiply
    108,419.73x = 149,619.21 × 60,682.29
  4. Step 4: Simplify right side
    108,419.73x = 9,079,236,290.79
  5. Step 5: Solve for x
    x = 9,079,236,290.79/108,419.73
  6. Step 6: Final answer
    x = 83,741.55

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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.