Home / 68,910.19-103,233.78-46,685.41

Finding the Fourth Proportional to 68,910.19, 103,233.78 and 46,685.41

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Solution

The fourth proportional to 68,910.19, 103,233.78 and 46,685.41 is: 69,939.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,910.19 : 103,233.78 = 46,685.41 : x
  2. Step 2: Convert to fraction form
    68,910.19/103,233.78 = 46,685.41/x
  3. Step 3: Cross multiply
    68,910.19x = 103,233.78 × 46,685.41
  4. Step 4: Simplify right side
    68,910.19x = 4,819,511,345.15
  5. Step 5: Solve for x
    x = 4,819,511,345.15/68,910.19
  6. Step 6: Final answer
    x = 69,939.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.