Finding the Fourth Proportional to 89,828.26, 134,742.39 and 27,490.66
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Solution
The fourth proportional to 89,828.26, 134,742.39 and 27,490.66 is: 41,235.99
Step by Step Solution
- Step 1: Write the proportion equation
89,828.26 : 134,742.39 = 27,490.66 : x - Step 2: Convert to fraction form
89,828.26/134,742.39 = 27,490.66/x - Step 3: Cross multiply
89,828.26x = 134,742.39 × 27,490.66 - Step 4: Simplify right side
89,828.26x = 3,704,157,231.08 - Step 5: Solve for x
x = 3,704,157,231.08/89,828.26 - Step 6: Final answer
x = 41,235.99
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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.