Finding the Fourth Proportional to 84,729.75, 127,114.16 and 29,325.75
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Solution
The fourth proportional to 84,729.75, 127,114.16 and 29,325.75 is: 43,995.38
Step by Step Solution
- Step 1: Write the proportion equation
84,729.75 : 127,114.16 = 29,325.75 : x - Step 2: Convert to fraction form
84,729.75/127,114.16 = 29,325.75/x - Step 3: Cross multiply
84,729.75x = 127,114.16 × 29,325.75 - Step 4: Simplify right side
84,729.75x = 3,727,717,930.99 - Step 5: Solve for x
x = 3,727,717,930.99/84,729.75 - Step 6: Final answer
x = 43,995.38
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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.