Finding the Fourth Proportional to 75,722.19, 104,497.33 and 41,731.92
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Solution
The fourth proportional to 75,722.19, 104,497.33 and 41,731.92 is: 57,590.44
Step by Step Solution
- Step 1: Write the proportion equation
75,722.19 : 104,497.33 = 41,731.92 : x - Step 2: Convert to fraction form
75,722.19/104,497.33 = 41,731.92/x - Step 3: Cross multiply
75,722.19x = 104,497.33 × 41,731.92 - Step 4: Simplify right side
75,722.19x = 4,360,873,693.29 - Step 5: Solve for x
x = 4,360,873,693.29/75,722.19 - Step 6: Final answer
x = 57,590.44
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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.