Finding the Fourth Proportional to 75,101.09, 103,639.77 and 41,567.09
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Solution
The fourth proportional to 75,101.09, 103,639.77 and 41,567.09 is: 57,362.73
Step by Step Solution
- Step 1: Write the proportion equation
75,101.09 : 103,639.77 = 41,567.09 : x - Step 2: Convert to fraction form
75,101.09/103,639.77 = 41,567.09/x - Step 3: Cross multiply
75,101.09x = 103,639.77 × 41,567.09 - Step 4: Simplify right side
75,101.09x = 4,308,003,647.17 - Step 5: Solve for x
x = 4,308,003,647.17/75,101.09 - Step 6: Final answer
x = 57,362.73
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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.