Finding the Fourth Proportional to 98,093.93, 135,364.99 and 54,489.31
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Solution
The fourth proportional to 98,093.93, 135,364.99 and 54,489.31 is: 75,192.67
Step by Step Solution
- Step 1: Write the proportion equation
98,093.93 : 135,364.99 = 54,489.31 : x - Step 2: Convert to fraction form
98,093.93/135,364.99 = 54,489.31/x - Step 3: Cross multiply
98,093.93x = 135,364.99 × 54,489.31 - Step 4: Simplify right side
98,093.93x = 7,375,944,903.26 - Step 5: Solve for x
x = 7,375,944,903.26/98,093.93 - Step 6: Final answer
x = 75,192.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.