Home / 78,336.73-108,107.09-44,344.53

Finding the Fourth Proportional to 78,336.73, 108,107.09 and 44,344.53

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Solution

The fourth proportional to 78,336.73, 108,107.09 and 44,344.53 is: 61,196.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,336.73 : 108,107.09 = 44,344.53 : x
  2. Step 2: Convert to fraction form
    78,336.73/108,107.09 = 44,344.53/x
  3. Step 3: Cross multiply
    78,336.73x = 108,107.09 × 44,344.53
  4. Step 4: Simplify right side
    78,336.73x = 4,793,958,040.29
  5. Step 5: Solve for x
    x = 4,793,958,040.29/78,336.73
  6. Step 6: Final answer
    x = 61,196.81

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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.