Finding the Fourth Proportional to 83,760.24, 115,589.20 and 46,036.92
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Solution
The fourth proportional to 83,760.24, 115,589.20 and 46,036.92 is: 63,530.99
Step by Step Solution
- Step 1: Write the proportion equation
83,760.24 : 115,589.20 = 46,036.92 : x - Step 2: Convert to fraction form
83,760.24/115,589.20 = 46,036.92/x - Step 3: Cross multiply
83,760.24x = 115,589.20 × 46,036.92 - Step 4: Simplify right side
83,760.24x = 5,321,370,753.26 - Step 5: Solve for x
x = 5,321,370,753.26/83,760.24 - Step 6: Final answer
x = 63,530.99
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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.