Finding the Fourth Proportional to 90,908.82, 136,370.99 and 27,743.13
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Solution
The fourth proportional to 90,908.82, 136,370.99 and 27,743.13 is: 41,617.06
Step by Step Solution
- Step 1: Write the proportion equation
90,908.82 : 136,370.99 = 27,743.13 : x - Step 2: Convert to fraction form
90,908.82/136,370.99 = 27,743.13/x - Step 3: Cross multiply
90,908.82x = 136,370.99 × 27,743.13 - Step 4: Simplify right side
90,908.82x = 3,783,357,965.08 - Step 5: Solve for x
x = 3,783,357,965.08/90,908.82 - Step 6: Final answer
x = 41,617.06
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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.