Finding the Fourth Proportional to 86,276.26, 129,427.44 and 27,106.36
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Solution
The fourth proportional to 86,276.26, 129,427.44 and 27,106.36 is: 40,663.63
Step by Step Solution
- Step 1: Write the proportion equation
86,276.26 : 129,427.44 = 27,106.36 : x - Step 2: Convert to fraction form
86,276.26/129,427.44 = 27,106.36/x - Step 3: Cross multiply
86,276.26x = 129,427.44 × 27,106.36 - Step 4: Simplify right side
86,276.26x = 3,508,306,135.38 - Step 5: Solve for x
x = 3,508,306,135.38/86,276.26 - Step 6: Final answer
x = 40,663.63
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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.