Finding the Fourth Proportional to 99,960.44, 149,969.76 and 47,297.48
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Solution
The fourth proportional to 99,960.44, 149,969.76 and 47,297.48 is: 70,959.99
Step by Step Solution
- Step 1: Write the proportion equation
99,960.44 : 149,969.76 = 47,297.48 : x - Step 2: Convert to fraction form
99,960.44/149,969.76 = 47,297.48/x - Step 3: Cross multiply
99,960.44x = 149,969.76 × 47,297.48 - Step 4: Simplify right side
99,960.44x = 7,093,191,724.20 - Step 5: Solve for x
x = 7,093,191,724.20/99,960.44 - Step 6: Final answer
x = 70,959.99
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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.