Finding the Fourth Proportional to 84,834.24, 117,069.44 and 47,107.84
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Solution
The fourth proportional to 84,834.24, 117,069.44 and 47,107.84 is: 65,007.81
Step by Step Solution
- Step 1: Write the proportion equation
84,834.24 : 117,069.44 = 47,107.84 : x - Step 2: Convert to fraction form
84,834.24/117,069.44 = 47,107.84/x - Step 3: Cross multiply
84,834.24x = 117,069.44 × 47,107.84 - Step 4: Simplify right side
84,834.24x = 5,514,888,448.41 - Step 5: Solve for x
x = 5,514,888,448.41/84,834.24 - Step 6: Final answer
x = 65,007.81
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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.