Finding the Fourth Proportional to 92,571.35, 127,799.31 and 58,151.99
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Solution
The fourth proportional to 92,571.35, 127,799.31 and 58,151.99 is: 80,281.68
Step by Step Solution
- Step 1: Write the proportion equation
92,571.35 : 127,799.31 = 58,151.99 : x - Step 2: Convert to fraction form
92,571.35/127,799.31 = 58,151.99/x - Step 3: Cross multiply
92,571.35x = 127,799.31 × 58,151.99 - Step 4: Simplify right side
92,571.35x = 7,431,783,970.66 - Step 5: Solve for x
x = 7,431,783,970.66/92,571.35 - Step 6: Final answer
x = 80,281.68
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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.