Finding the Fourth Proportional to 75,958.30, 104,821.86 and 41,969.08
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Solution
The fourth proportional to 75,958.30, 104,821.86 and 41,969.08 is: 57,917.00
Step by Step Solution
- Step 1: Write the proportion equation
75,958.30 : 104,821.86 = 41,969.08 : x - Step 2: Convert to fraction form
75,958.30/104,821.86 = 41,969.08/x - Step 3: Cross multiply
75,958.30x = 104,821.86 × 41,969.08 - Step 4: Simplify right side
75,958.30x = 4,399,277,028.09 - Step 5: Solve for x
x = 4,399,277,028.09/75,958.30 - Step 6: Final answer
x = 57,917.00
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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.