Finding the Fourth Proportional to 96,969.92, 133,742.58 and 66,361.14
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Solution
The fourth proportional to 96,969.92, 133,742.58 and 66,361.14 is: 91,526.43
Step by Step Solution
- Step 1: Write the proportion equation
96,969.92 : 133,742.58 = 66,361.14 : x - Step 2: Convert to fraction form
96,969.92/133,742.58 = 66,361.14/x - Step 3: Cross multiply
96,969.92x = 133,742.58 × 66,361.14 - Step 4: Simplify right side
96,969.92x = 8,875,309,743.54 - Step 5: Solve for x
x = 8,875,309,743.54/96,969.92 - Step 6: Final answer
x = 91,526.43
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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.