Finding the Fourth Proportional to 75,771.92, 113,593.08 and 29,058.32
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Solution
The fourth proportional to 75,771.92, 113,593.08 and 29,058.32 is: 43,562.63
Step by Step Solution
- Step 1: Write the proportion equation
75,771.92 : 113,593.08 = 29,058.32 : x - Step 2: Convert to fraction form
75,771.92/113,593.08 = 29,058.32/x - Step 3: Cross multiply
75,771.92x = 113,593.08 × 29,058.32 - Step 4: Simplify right side
75,771.92x = 3,300,824,068.43 - Step 5: Solve for x
x = 3,300,824,068.43/75,771.92 - Step 6: Final answer
x = 43,562.63
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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.