Finding the Fourth Proportional to 84,052.88, 116,160.18 and 68,922.08
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Solution
The fourth proportional to 84,052.88, 116,160.18 and 68,922.08 is: 95,249.58
Step by Step Solution
- Step 1: Write the proportion equation
84,052.88 : 116,160.18 = 68,922.08 : x - Step 2: Convert to fraction form
84,052.88/116,160.18 = 68,922.08/x - Step 3: Cross multiply
84,052.88x = 116,160.18 × 68,922.08 - Step 4: Simplify right side
84,052.88x = 8,006,001,218.77 - Step 5: Solve for x
x = 8,006,001,218.77/84,052.88 - Step 6: Final answer
x = 95,249.58
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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.