Finding the Fourth Proportional to 84,638.44, 116,797.02 and 48,839.96
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Solution
The fourth proportional to 84,638.44, 116,797.02 and 48,839.96 is: 67,396.82
Step by Step Solution
- Step 1: Write the proportion equation
84,638.44 : 116,797.02 = 48,839.96 : x - Step 2: Convert to fraction form
84,638.44/116,797.02 = 48,839.96/x - Step 3: Cross multiply
84,638.44x = 116,797.02 × 48,839.96 - Step 4: Simplify right side
84,638.44x = 5,704,361,784.92 - Step 5: Solve for x
x = 5,704,361,784.92/84,638.44 - Step 6: Final answer
x = 67,396.82
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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.