Finding the Fourth Proportional to 96,745.62, 133,504.46 and 53,727.84
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Solution
The fourth proportional to 96,745.62, 133,504.46 and 53,727.84 is: 74,141.92
Step by Step Solution
- Step 1: Write the proportion equation
96,745.62 : 133,504.46 = 53,727.84 : x - Step 2: Convert to fraction form
96,745.62/133,504.46 = 53,727.84/x - Step 3: Cross multiply
96,745.62x = 133,504.46 × 53,727.84 - Step 4: Simplify right side
96,745.62x = 7,172,906,199.01 - Step 5: Solve for x
x = 7,172,906,199.01/96,745.62 - Step 6: Final answer
x = 74,141.92
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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.