Finding the Fourth Proportional to 83,839.08, 125,771.13 and 27,685.13
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Solution
The fourth proportional to 83,839.08, 125,771.13 and 27,685.13 is: 41,531.82
Step by Step Solution
- Step 1: Write the proportion equation
83,839.08 : 125,771.13 = 27,685.13 : x - Step 2: Convert to fraction form
83,839.08/125,771.13 = 27,685.13/x - Step 3: Cross multiply
83,839.08x = 125,771.13 × 27,685.13 - Step 4: Simplify right side
83,839.08x = 3,481,989,455.44 - Step 5: Solve for x
x = 3,481,989,455.44/83,839.08 - Step 6: Final answer
x = 41,531.82
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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.