Finding the Fourth Proportional to 84,974.38, 117,264.64 and 47,247.82
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Solution
The fourth proportional to 84,974.38, 117,264.64 and 47,247.82 is: 65,201.99
Step by Step Solution
- Step 1: Write the proportion equation
84,974.38 : 117,264.64 = 47,247.82 : x - Step 2: Convert to fraction form
84,974.38/117,264.64 = 47,247.82/x - Step 3: Cross multiply
84,974.38x = 117,264.64 × 47,247.82 - Step 4: Simplify right side
84,974.38x = 5,540,498,603.08 - Step 5: Solve for x
x = 5,540,498,603.08/84,974.38 - Step 6: Final answer
x = 65,201.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.