Finding the Fourth Proportional to 84,717.09, 127,051.34 and 34,115.99
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Solution
The fourth proportional to 84,717.09, 127,051.34 and 34,115.99 is: 51,164.19
Step by Step Solution
- Step 1: Write the proportion equation
84,717.09 : 127,051.34 = 34,115.99 : x - Step 2: Convert to fraction form
84,717.09/127,051.34 = 34,115.99/x - Step 3: Cross multiply
84,717.09x = 127,051.34 × 34,115.99 - Step 4: Simplify right side
84,717.09x = 4,334,481,439.09 - Step 5: Solve for x
x = 4,334,481,439.09/84,717.09 - Step 6: Final answer
x = 51,164.19
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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.