Finding the Fourth Proportional to 67,896.03, 101,842.49 and 39,993.09
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Solution
The fourth proportional to 67,896.03, 101,842.49 and 39,993.09 is: 59,988.72
Step by Step Solution
- Step 1: Write the proportion equation
67,896.03 : 101,842.49 = 39,993.09 : x - Step 2: Convert to fraction form
67,896.03/101,842.49 = 39,993.09/x - Step 3: Cross multiply
67,896.03x = 101,842.49 × 39,993.09 - Step 4: Simplify right side
67,896.03x = 4,072,995,668.43 - Step 5: Solve for x
x = 4,072,995,668.43/67,896.03 - Step 6: Final answer
x = 59,988.72
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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.