Finding the Fourth Proportional to 91,028.97, 136,513.94 and 34,866.09
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Solution
The fourth proportional to 91,028.97, 136,513.94 and 34,866.09 is: 52,287.83
Step by Step Solution
- Step 1: Write the proportion equation
91,028.97 : 136,513.94 = 34,866.09 : x - Step 2: Convert to fraction form
91,028.97/136,513.94 = 34,866.09/x - Step 3: Cross multiply
91,028.97x = 136,513.94 × 34,866.09 - Step 4: Simplify right side
91,028.97x = 4,759,707,143.96 - Step 5: Solve for x
x = 4,759,707,143.96/91,028.97 - Step 6: Final answer
x = 52,287.83
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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.