Finding the Fourth Proportional to 91,584.30, 137,415.96 and 49,455.99
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Solution
The fourth proportional to 91,584.30, 137,415.96 and 49,455.99 is: 74,205.32
Step by Step Solution
- Step 1: Write the proportion equation
91,584.30 : 137,415.96 = 49,455.99 : x - Step 2: Convert to fraction form
91,584.30/137,415.96 = 49,455.99/x - Step 3: Cross multiply
91,584.30x = 137,415.96 × 49,455.99 - Step 4: Simplify right side
91,584.30x = 6,796,042,343.60 - Step 5: Solve for x
x = 6,796,042,343.60/91,584.30 - Step 6: Final answer
x = 74,205.32
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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.