Finding the Fourth Proportional to 75,476.84, 104,158.26 and 41,488.81
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Solution
The fourth proportional to 75,476.84, 104,158.26 and 41,488.81 is: 57,254.68
Step by Step Solution
- Step 1: Write the proportion equation
75,476.84 : 104,158.26 = 41,488.81 : x - Step 2: Convert to fraction form
75,476.84/104,158.26 = 41,488.81/x - Step 3: Cross multiply
75,476.84x = 104,158.26 × 41,488.81 - Step 4: Simplify right side
75,476.84x = 4,321,401,998.67 - Step 5: Solve for x
x = 4,321,401,998.67/75,476.84 - Step 6: Final answer
x = 57,254.68
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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.