Finding the Fourth Proportional to 81,927.06, 113,058.09 and 46,116.96
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Solution
The fourth proportional to 81,927.06, 113,058.09 and 46,116.96 is: 63,640.70
Step by Step Solution
- Step 1: Write the proportion equation
81,927.06 : 113,058.09 = 46,116.96 : x - Step 2: Convert to fraction form
81,927.06/113,058.09 = 46,116.96/x - Step 3: Cross multiply
81,927.06x = 113,058.09 × 46,116.96 - Step 4: Simplify right side
81,927.06x = 5,213,895,414.21 - Step 5: Solve for x
x = 5,213,895,414.21/81,927.06 - Step 6: Final answer
x = 63,640.70
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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.