Finding the Fourth Proportional to 84,099.36, 116,052.03 and 48,286.02
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Solution
The fourth proportional to 84,099.36, 116,052.03 and 48,286.02 is: 66,631.79
Step by Step Solution
- Step 1: Write the proportion equation
84,099.36 : 116,052.03 = 48,286.02 : x - Step 2: Convert to fraction form
84,099.36/116,052.03 = 48,286.02/x - Step 3: Cross multiply
84,099.36x = 116,052.03 × 48,286.02 - Step 4: Simplify right side
84,099.36x = 5,603,690,641.62 - Step 5: Solve for x
x = 5,603,690,641.62/84,099.36 - Step 6: Final answer
x = 66,631.79
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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.