Finding the Fourth Proportional to 97,057.92, 133,940.16 and 54,616.96
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Solution
The fourth proportional to 97,057.92, 133,940.16 and 54,616.96 is: 75,371.53
Step by Step Solution
- Step 1: Write the proportion equation
97,057.92 : 133,940.16 = 54,616.96 : x - Step 2: Convert to fraction form
97,057.92/133,940.16 = 54,616.96/x - Step 3: Cross multiply
97,057.92x = 133,940.16 × 54,616.96 - Step 4: Simplify right side
97,057.92x = 7,315,404,361.11 - Step 5: Solve for x
x = 7,315,404,361.11/97,057.92 - Step 6: Final answer
x = 75,371.53
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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.