Finding the Fourth Proportional to 84,796.92, 117,006.12 and 48,991.68
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Solution
The fourth proportional to 84,796.92, 117,006.12 and 48,991.68 is: 67,600.64
Step by Step Solution
- Step 1: Write the proportion equation
84,796.92 : 117,006.12 = 48,991.68 : x - Step 2: Convert to fraction form
84,796.92/117,006.12 = 48,991.68/x - Step 3: Cross multiply
84,796.92x = 117,006.12 × 48,991.68 - Step 4: Simplify right side
84,796.92x = 5,732,326,389.08 - Step 5: Solve for x
x = 5,732,326,389.08/84,796.92 - Step 6: Final answer
x = 67,600.64
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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.