Home / 108,054.41-149,194.10-69,836.58

Finding the Fourth Proportional to 108,054.41, 149,194.10 and 69,836.58

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Solution

The fourth proportional to 108,054.41, 149,194.10 and 69,836.58 is: 96,425.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,054.41 : 149,194.10 = 69,836.58 : x
  2. Step 2: Convert to fraction form
    108,054.41/149,194.10 = 69,836.58/x
  3. Step 3: Cross multiply
    108,054.41x = 149,194.10 × 69,836.58
  4. Step 4: Simplify right side
    108,054.41x = 10,419,205,874.77
  5. Step 5: Solve for x
    x = 10,419,205,874.77/108,054.41
  6. Step 6: Final answer
    x = 96,425.55

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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.