Finding the Fourth Proportional to 84,040.85, 115,976.93 and 48,229.94
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Solution
The fourth proportional to 84,040.85, 115,976.93 and 48,229.94 is: 66,557.63
Step by Step Solution
- Step 1: Write the proportion equation
84,040.85 : 115,976.93 = 48,229.94 : x - Step 2: Convert to fraction form
84,040.85/115,976.93 = 48,229.94/x - Step 3: Cross multiply
84,040.85x = 115,976.93 × 48,229.94 - Step 4: Simplify right side
84,040.85x = 5,593,559,554.25 - Step 5: Solve for x
x = 5,593,559,554.25/84,040.85 - Step 6: Final answer
x = 66,557.63
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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.