Finding the Fourth Proportional to 75,278.92, 103,879.26 and 41,281.96
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Solution
The fourth proportional to 75,278.92, 103,879.26 and 41,281.96 is: 56,966.01
Step by Step Solution
- Step 1: Write the proportion equation
75,278.92 : 103,879.26 = 41,281.96 : x - Step 2: Convert to fraction form
75,278.92/103,879.26 = 41,281.96/x - Step 3: Cross multiply
75,278.92x = 103,879.26 × 41,281.96 - Step 4: Simplify right side
75,278.92x = 4,288,339,456.15 - Step 5: Solve for x
x = 4,288,339,456.15/75,278.92 - Step 6: Final answer
x = 56,966.01
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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.