Finding the Fourth Proportional to 84,386.63, 116,453.25 and 47,589.92
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Solution
The fourth proportional to 84,386.63, 116,453.25 and 47,589.92 is: 65,673.92
Step by Step Solution
- Step 1: Write the proportion equation
84,386.63 : 116,453.25 = 47,589.92 : x - Step 2: Convert to fraction form
84,386.63/116,453.25 = 47,589.92/x - Step 3: Cross multiply
84,386.63x = 116,453.25 × 47,589.92 - Step 4: Simplify right side
84,386.63x = 5,542,000,851.24 - Step 5: Solve for x
x = 5,542,000,851.24/84,386.63 - Step 6: Final answer
x = 65,673.92
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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.