Finding the Fourth Proportional to 75,318.47, 103,936.01 and 41,326.11
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Solution
The fourth proportional to 75,318.47, 103,936.01 and 41,326.11 is: 57,028.12
Step by Step Solution
- Step 1: Write the proportion equation
75,318.47 : 103,936.01 = 41,326.11 : x - Step 2: Convert to fraction form
75,318.47/103,936.01 = 41,326.11/x - Step 3: Cross multiply
75,318.47x = 103,936.01 × 41,326.11 - Step 4: Simplify right side
75,318.47x = 4,295,270,982.22 - Step 5: Solve for x
x = 4,295,270,982.22/75,318.47 - Step 6: Final answer
x = 57,028.12
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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.