Finding the Fourth Proportional to 96,935.92, 133,770.25 and 53,915.00
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Solution
The fourth proportional to 96,935.92, 133,770.25 and 53,915.00 is: 74,401.96
Step by Step Solution
- Step 1: Write the proportion equation
96,935.92 : 133,770.25 = 53,915.00 : x - Step 2: Convert to fraction form
96,935.92/133,770.25 = 53,915.00/x - Step 3: Cross multiply
96,935.92x = 133,770.25 × 53,915.00 - Step 4: Simplify right side
96,935.92x = 7,212,222,427.29 - Step 5: Solve for x
x = 7,212,222,427.29/96,935.92 - Step 6: Final answer
x = 74,401.96
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1.5x scale
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.