Finding the Fourth Proportional to 86,922.40, 119,942.99 and 48,676.63
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Solution
The fourth proportional to 86,922.40, 119,942.99 and 48,676.63 is: 67,168.19
Step by Step Solution
- Step 1: Write the proportion equation
86,922.40 : 119,942.99 = 48,676.63 : x - Step 2: Convert to fraction form
86,922.40/119,942.99 = 48,676.63/x - Step 3: Cross multiply
86,922.40x = 119,942.99 × 48,676.63 - Step 4: Simplify right side
86,922.40x = 5,838,420,184.62 - Step 5: Solve for x
x = 5,838,420,184.62/86,922.40 - Step 6: Final answer
x = 67,168.19
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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.