Finding the Fourth Proportional to 104,685.80, 144,453.29 and 70,768.08
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Solution
The fourth proportional to 104,685.80, 144,453.29 and 70,768.08 is: 97,651.09
Step by Step Solution
- Step 1: Write the proportion equation
104,685.80 : 144,453.29 = 70,768.08 : x - Step 2: Convert to fraction form
104,685.80/144,453.29 = 70,768.08/x - Step 3: Cross multiply
104,685.80x = 144,453.29 × 70,768.08 - Step 4: Simplify right side
104,685.80x = 10,222,681,629.14 - Step 5: Solve for x
x = 10,222,681,629.14/104,685.80 - Step 6: Final answer
x = 97,651.09
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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.