Finding the Fourth Proportional to 75,473.92, 113,203.94 and 25,548.31
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Solution
The fourth proportional to 75,473.92, 113,203.94 and 25,548.31 is: 38,320.12
Step by Step Solution
- Step 1: Write the proportion equation
75,473.92 : 113,203.94 = 25,548.31 : x - Step 2: Convert to fraction form
75,473.92/113,203.94 = 25,548.31/x - Step 3: Cross multiply
75,473.92x = 113,203.94 × 25,548.31 - Step 4: Simplify right side
75,473.92x = 2,892,169,699.22 - Step 5: Solve for x
x = 2,892,169,699.22/75,473.92 - Step 6: Final answer
x = 38,320.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.