Finding the Fourth Proportional to 89,146.14, 123,022.61 and 48,858.99
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Solution
The fourth proportional to 89,146.14, 123,022.61 and 48,858.99 is: 67,425.92
Step by Step Solution
- Step 1: Write the proportion equation
89,146.14 : 123,022.61 = 48,858.99 : x - Step 2: Convert to fraction form
89,146.14/123,022.61 = 48,858.99/x - Step 3: Cross multiply
89,146.14x = 123,022.61 × 48,858.99 - Step 4: Simplify right side
89,146.14x = 6,010,760,471.76 - Step 5: Solve for x
x = 6,010,760,471.76/89,146.14 - Step 6: Final answer
x = 67,425.92
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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.