Finding the Fourth Proportional to 91,828.49, 137,733.01 and 29,494.13
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Solution
The fourth proportional to 91,828.49, 137,733.01 and 29,494.13 is: 44,238.07
Step by Step Solution
- Step 1: Write the proportion equation
91,828.49 : 137,733.01 = 29,494.13 : x - Step 2: Convert to fraction form
91,828.49/137,733.01 = 29,494.13/x - Step 3: Cross multiply
91,828.49x = 137,733.01 × 29,494.13 - Step 4: Simplify right side
91,828.49x = 4,062,314,539.83 - Step 5: Solve for x
x = 4,062,314,539.83/91,828.49 - Step 6: Final answer
x = 44,238.07
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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.