Finding the Fourth Proportional to 77,450.09, 116,187.29 and 33,077.07
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Solution
The fourth proportional to 77,450.09, 116,187.29 and 33,077.07 is: 49,620.80
Step by Step Solution
- Step 1: Write the proportion equation
77,450.09 : 116,187.29 = 33,077.07 : x - Step 2: Convert to fraction form
77,450.09/116,187.29 = 33,077.07/x - Step 3: Cross multiply
77,450.09x = 116,187.29 × 33,077.07 - Step 4: Simplify right side
77,450.09x = 3,843,134,959.05 - Step 5: Solve for x
x = 3,843,134,959.05/77,450.09 - Step 6: Final answer
x = 49,620.80
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1.5x scale
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.