Finding the Fourth Proportional to 84,197.82, 116,081.33 and 69,803.31
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Solution
The fourth proportional to 84,197.82, 116,081.33 and 69,803.31 is: 96,235.99
Step by Step Solution
- Step 1: Write the proportion equation
84,197.82 : 116,081.33 = 69,803.31 : x - Step 2: Convert to fraction form
84,197.82/116,081.33 = 69,803.31/x - Step 3: Cross multiply
84,197.82x = 116,081.33 × 69,803.31 - Step 4: Simplify right side
84,197.82x = 8,102,860,714.19 - Step 5: Solve for x
x = 8,102,860,714.19/84,197.82 - Step 6: Final answer
x = 96,235.99
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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.