Finding the Fourth Proportional to 96,936.92, 133,771.63 and 53,916.00
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Solution
The fourth proportional to 96,936.92, 133,771.63 and 53,916.00 is: 74,403.34
Step by Step Solution
- Step 1: Write the proportion equation
96,936.92 : 133,771.63 = 53,916.00 : x - Step 2: Convert to fraction form
96,936.92/133,771.63 = 53,916.00/x - Step 3: Cross multiply
96,936.92x = 133,771.63 × 53,916.00 - Step 4: Simplify right side
96,936.92x = 7,212,430,534.22 - Step 5: Solve for x
x = 7,212,430,534.22/96,936.92 - Step 6: Final answer
x = 74,403.34
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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.