Finding the Fourth Proportional to 84,995.46, 117,296.91 and 47,272.14
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Solution
The fourth proportional to 84,995.46, 117,296.91 and 47,272.14 is: 65,237.32
Step by Step Solution
- Step 1: Write the proportion equation
84,995.46 : 117,296.91 = 47,272.14 : x - Step 2: Convert to fraction form
84,995.46/117,296.91 = 47,272.14/x - Step 3: Cross multiply
84,995.46x = 117,296.91 × 47,272.14 - Step 4: Simplify right side
84,995.46x = 5,544,875,951.09 - Step 5: Solve for x
x = 5,544,875,951.09/84,995.46 - Step 6: Final answer
x = 65,237.32
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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.