Finding the Fourth Proportional to 86,850.84, 119,845.68 and 48,608.11
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Solution
The fourth proportional to 86,850.84, 119,845.68 and 48,608.11 is: 67,074.45
Step by Step Solution
- Step 1: Write the proportion equation
86,850.84 : 119,845.68 = 48,608.11 : x - Step 2: Convert to fraction form
86,850.84/119,845.68 = 48,608.11/x - Step 3: Cross multiply
86,850.84x = 119,845.68 × 48,608.11 - Step 4: Simplify right side
86,850.84x = 5,825,471,996.46 - Step 5: Solve for x
x = 5,825,471,996.46/86,850.84 - Step 6: Final answer
x = 67,074.45
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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.