Finding the Fourth Proportional to 68,330.77, 102,425.42 and 33,226.81
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Solution
The fourth proportional to 68,330.77, 102,425.42 and 33,226.81 is: 49,805.82
Step by Step Solution
- Step 1: Write the proportion equation
68,330.77 : 102,425.42 = 33,226.81 : x - Step 2: Convert to fraction form
68,330.77/102,425.42 = 33,226.81/x - Step 3: Cross multiply
68,330.77x = 102,425.42 × 33,226.81 - Step 4: Simplify right side
68,330.77x = 3,403,269,803.38 - Step 5: Solve for x
x = 3,403,269,803.38/68,330.77 - Step 6: Final answer
x = 49,805.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.