Finding the Fourth Proportional to 88,805.53, 122,586.68 and 54,827.75
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Solution
The fourth proportional to 88,805.53, 122,586.68 and 54,827.75 is: 75,683.94
Step by Step Solution
- Step 1: Write the proportion equation
88,805.53 : 122,586.68 = 54,827.75 : x - Step 2: Convert to fraction form
88,805.53/122,586.68 = 54,827.75/x - Step 3: Cross multiply
88,805.53x = 122,586.68 × 54,827.75 - Step 4: Simplify right side
88,805.53x = 6,721,152,287.91 - Step 5: Solve for x
x = 6,721,152,287.91/88,805.53 - Step 6: Final answer
x = 75,683.94
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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.