Finding the Fourth Proportional to 84,612.20, 116,764.44 and 46,371.68
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Solution
The fourth proportional to 84,612.20, 116,764.44 and 46,371.68 is: 63,992.70
Step by Step Solution
- Step 1: Write the proportion equation
84,612.20 : 116,764.44 = 46,371.68 : x - Step 2: Convert to fraction form
84,612.20/116,764.44 = 46,371.68/x - Step 3: Cross multiply
84,612.20x = 116,764.44 × 46,371.68 - Step 4: Simplify right side
84,612.20x = 5,414,563,247.06 - Step 5: Solve for x
x = 5,414,563,247.06/84,612.20 - Step 6: Final answer
x = 63,992.70
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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.