Finding the Fourth Proportional to 86,527.85, 119,408.19 and 48,286.99
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Solution
The fourth proportional to 86,527.85, 119,408.19 and 48,286.99 is: 66,635.91
Step by Step Solution
- Step 1: Write the proportion equation
86,527.85 : 119,408.19 = 48,286.99 : x - Step 2: Convert to fraction form
86,527.85/119,408.19 = 48,286.99/x - Step 3: Cross multiply
86,527.85x = 119,408.19 × 48,286.99 - Step 4: Simplify right side
86,527.85x = 5,765,862,076.45 - Step 5: Solve for x
x = 5,765,862,076.45/86,527.85 - Step 6: Final answer
x = 66,635.91
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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.