Finding the Fourth Proportional to 96,275.08, 132,859.92 and 53,843.68
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Solution
The fourth proportional to 96,275.08, 132,859.92 and 53,843.68 is: 74,304.45
Step by Step Solution
- Step 1: Write the proportion equation
96,275.08 : 132,859.92 = 53,843.68 : x - Step 2: Convert to fraction form
96,275.08/132,859.92 = 53,843.68/x - Step 3: Cross multiply
96,275.08x = 132,859.92 × 53,843.68 - Step 4: Simplify right side
96,275.08x = 7,153,667,017.31 - Step 5: Solve for x
x = 7,153,667,017.31/96,275.08 - Step 6: Final answer
x = 74,304.45
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1.5x scale
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.