Finding the Fourth Proportional to 84,041.79, 115,976.34 and 48,230.97
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Solution
The fourth proportional to 84,041.79, 115,976.34 and 48,230.97 is: 66,557.98
Step by Step Solution
- Step 1: Write the proportion equation
84,041.79 : 115,976.34 = 48,230.97 : x - Step 2: Convert to fraction form
84,041.79/115,976.34 = 48,230.97/x - Step 3: Cross multiply
84,041.79x = 115,976.34 × 48,230.97 - Step 4: Simplify right side
84,041.79x = 5,593,651,375.25 - Step 5: Solve for x
x = 5,593,651,375.25/84,041.79 - Step 6: Final answer
x = 66,557.98
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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.