Finding the Fourth Proportional to 83,842.40, 125,736.87 and 27,672.08
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Solution
The fourth proportional to 83,842.40, 125,736.87 and 27,672.08 is: 41,499.30
Step by Step Solution
- Step 1: Write the proportion equation
83,842.40 : 125,736.87 = 27,672.08 : x - Step 2: Convert to fraction form
83,842.40/125,736.87 = 27,672.08/x - Step 3: Cross multiply
83,842.40x = 125,736.87 × 27,672.08 - Step 4: Simplify right side
83,842.40x = 3,479,400,725.59 - Step 5: Solve for x
x = 3,479,400,725.59/83,842.40 - Step 6: Final answer
x = 41,499.30
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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.