Finding the Fourth Proportional to 86,236.13, 129,354.20 and 23,906.63
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Solution
The fourth proportional to 86,236.13, 129,354.20 and 23,906.63 is: 35,859.94
Step by Step Solution
- Step 1: Write the proportion equation
86,236.13 : 129,354.20 = 23,906.63 : x - Step 2: Convert to fraction form
86,236.13/129,354.20 = 23,906.63/x - Step 3: Cross multiply
86,236.13x = 129,354.20 × 23,906.63 - Step 4: Simplify right side
86,236.13x = 3,092,422,232.04 - Step 5: Solve for x
x = 3,092,422,232.04/86,236.13 - Step 6: Final answer
x = 35,859.94
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.