Finding the Fourth Proportional to 124,561.26, 171,892.94 and 67,968.99
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Solution
The fourth proportional to 124,561.26, 171,892.94 and 67,968.99 is: 93,796.33
Step by Step Solution
- Step 1: Write the proportion equation
124,561.26 : 171,892.94 = 67,968.99 : x - Step 2: Convert to fraction form
124,561.26/171,892.94 = 67,968.99/x - Step 3: Cross multiply
124,561.26x = 171,892.94 × 67,968.99 - Step 4: Simplify right side
124,561.26x = 11,683,389,180.09 - Step 5: Solve for x
x = 11,683,389,180.09/124,561.26 - Step 6: Final answer
x = 93,796.33
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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.