Home / 74,886.75-103,331.97-43,049.70

Finding the Fourth Proportional to 74,886.75, 103,331.97 and 43,049.70

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Solution

The fourth proportional to 74,886.75, 103,331.97 and 43,049.70 is: 59,401.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,886.75 : 103,331.97 = 43,049.70 : x
  2. Step 2: Convert to fraction form
    74,886.75/103,331.97 = 43,049.70/x
  3. Step 3: Cross multiply
    74,886.75x = 103,331.97 × 43,049.70
  4. Step 4: Simplify right side
    74,886.75x = 4,448,410,308.91
  5. Step 5: Solve for x
    x = 4,448,410,308.91/74,886.75
  6. Step 6: Final answer
    x = 59,401.83

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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.