Finding the Fourth Proportional to 92,456.82, 138,651.21 and 33,276.66
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Solution
The fourth proportional to 92,456.82, 138,651.21 and 33,276.66 is: 49,902.75
Step by Step Solution
- Step 1: Write the proportion equation
92,456.82 : 138,651.21 = 33,276.66 : x - Step 2: Convert to fraction form
92,456.82/138,651.21 = 33,276.66/x - Step 3: Cross multiply
92,456.82x = 138,651.21 × 33,276.66 - Step 4: Simplify right side
92,456.82x = 4,613,849,173.76 - Step 5: Solve for x
x = 4,613,849,173.76/92,456.82 - Step 6: Final answer
x = 49,902.75
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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.