Finding the Fourth Proportional to 75,405.43, 104,058.97 and 41,414.46
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Solution
The fourth proportional to 75,405.43, 104,058.97 and 41,414.46 is: 57,151.67
Step by Step Solution
- Step 1: Write the proportion equation
75,405.43 : 104,058.97 = 41,414.46 : x - Step 2: Convert to fraction form
75,405.43/104,058.97 = 41,414.46/x - Step 3: Cross multiply
75,405.43x = 104,058.97 × 41,414.46 - Step 4: Simplify right side
75,405.43x = 4,309,546,050.71 - Step 5: Solve for x
x = 4,309,546,050.71/75,405.43 - Step 6: Final answer
x = 57,151.67
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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.