Finding the Fourth Proportional to 112,433.21, 168,601.78 and 65,080.99
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Solution
The fourth proportional to 112,433.21, 168,601.78 and 65,080.99 is: 97,593.68
Step by Step Solution
- Step 1: Write the proportion equation
112,433.21 : 168,601.78 = 65,080.99 : x - Step 2: Convert to fraction form
112,433.21/168,601.78 = 65,080.99/x - Step 3: Cross multiply
112,433.21x = 168,601.78 × 65,080.99 - Step 4: Simplify right side
112,433.21x = 10,972,770,758.16 - Step 5: Solve for x
x = 10,972,770,758.16/112,433.21 - Step 6: Final answer
x = 97,593.68
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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.