Finding the Fourth Proportional to 67,969.18, 101,993.26 and 27,992.18
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Solution
The fourth proportional to 67,969.18, 101,993.26 and 27,992.18 is: 42,004.54
Step by Step Solution
- Step 1: Write the proportion equation
67,969.18 : 101,993.26 = 27,992.18 : x - Step 2: Convert to fraction form
67,969.18/101,993.26 = 27,992.18/x - Step 3: Cross multiply
67,969.18x = 101,993.26 × 27,992.18 - Step 4: Simplify right side
67,969.18x = 2,855,013,930.19 - Step 5: Solve for x
x = 2,855,013,930.19/67,969.18 - Step 6: Final answer
x = 42,004.54
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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.