Finding the Fourth Proportional to 83,213.62, 124,820.44 and 27,809.62
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Solution
The fourth proportional to 83,213.62, 124,820.44 and 27,809.62 is: 41,714.43
Step by Step Solution
- Step 1: Write the proportion equation
83,213.62 : 124,820.44 = 27,809.62 : x - Step 2: Convert to fraction form
83,213.62/124,820.44 = 27,809.62/x - Step 3: Cross multiply
83,213.62x = 124,820.44 × 27,809.62 - Step 4: Simplify right side
83,213.62x = 3,471,209,004.63 - Step 5: Solve for x
x = 3,471,209,004.63/83,213.62 - Step 6: Final answer
x = 41,714.43
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Similar ratio
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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.