Finding the Fourth Proportional to 96,902.91, 133,722.90 and 53,882.19
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Solution
The fourth proportional to 96,902.91, 133,722.90 and 53,882.19 is: 74,355.69
Step by Step Solution
- Step 1: Write the proportion equation
96,902.91 : 133,722.90 = 53,882.19 : x - Step 2: Convert to fraction form
96,902.91/133,722.90 = 53,882.19/x - Step 3: Cross multiply
96,902.91x = 133,722.90 × 53,882.19 - Step 4: Simplify right side
96,902.91x = 7,205,282,705.15 - Step 5: Solve for x
x = 7,205,282,705.15/96,902.91 - Step 6: Final answer
x = 74,355.69
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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.