Finding the Fourth Proportional to 80,906.28, 121,339.97 and 41,443.08
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Solution
The fourth proportional to 80,906.28, 121,339.97 and 41,443.08 is: 62,154.66
Step by Step Solution
- Step 1: Write the proportion equation
80,906.28 : 121,339.97 = 41,443.08 : x - Step 2: Convert to fraction form
80,906.28/121,339.97 = 41,443.08/x - Step 3: Cross multiply
80,906.28x = 121,339.97 × 41,443.08 - Step 4: Simplify right side
80,906.28x = 5,028,702,083.91 - Step 5: Solve for x
x = 5,028,702,083.91/80,906.28 - Step 6: Final answer
x = 62,154.66
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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.