Finding the Fourth Proportional to 75,909.06, 104,752.62 and 41,916.96
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Solution
The fourth proportional to 75,909.06, 104,752.62 and 41,916.96 is: 57,844.37
Step by Step Solution
- Step 1: Write the proportion equation
75,909.06 : 104,752.62 = 41,916.96 : x - Step 2: Convert to fraction form
75,909.06/104,752.62 = 41,916.96/x - Step 3: Cross multiply
75,909.06x = 104,752.62 × 41,916.96 - Step 4: Simplify right side
75,909.06x = 4,390,911,382.44 - Step 5: Solve for x
x = 4,390,911,382.44/75,909.06 - Step 6: Final answer
x = 57,844.37
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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.