Finding the Fourth Proportional to 91,629.72, 137,473.74 and 44,857.08
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Solution
The fourth proportional to 91,629.72, 137,473.74 and 44,857.08 is: 67,299.90
Step by Step Solution
- Step 1: Write the proportion equation
91,629.72 : 137,473.74 = 44,857.08 : x - Step 2: Convert to fraction form
91,629.72/137,473.74 = 44,857.08/x - Step 3: Cross multiply
91,629.72x = 137,473.74 × 44,857.08 - Step 4: Simplify right side
91,629.72x = 6,166,670,553.08 - Step 5: Solve for x
x = 6,166,670,553.08/91,629.72 - Step 6: Final answer
x = 67,299.90
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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.