Finding the Fourth Proportional to 88,612.70, 132,896.36 and 26,268.62
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Solution
The fourth proportional to 88,612.70, 132,896.36 and 26,268.62 is: 39,396.20
Step by Step Solution
- Step 1: Write the proportion equation
88,612.70 : 132,896.36 = 26,268.62 : x - Step 2: Convert to fraction form
88,612.70/132,896.36 = 26,268.62/x - Step 3: Cross multiply
88,612.70x = 132,896.36 × 26,268.62 - Step 4: Simplify right side
88,612.70x = 3,491,003,381.41 - Step 5: Solve for x
x = 3,491,003,381.41/88,612.70 - Step 6: Final answer
x = 39,396.20
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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.