Finding the Fourth Proportional to 96,139.44, 132,674.49 and 53,698.05
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Solution
The fourth proportional to 96,139.44, 132,674.49 and 53,698.05 is: 74,104.46
Step by Step Solution
- Step 1: Write the proportion equation
96,139.44 : 132,674.49 = 53,698.05 : x - Step 2: Convert to fraction form
96,139.44/132,674.49 = 53,698.05/x - Step 3: Cross multiply
96,139.44x = 132,674.49 × 53,698.05 - Step 4: Simplify right side
96,139.44x = 7,124,361,397.74 - Step 5: Solve for x
x = 7,124,361,397.74/96,139.44 - Step 6: Final answer
x = 74,104.46
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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.