Finding the Fourth Proportional to 75,437.25, 104,091.81 and 43,599.99
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Solution
The fourth proportional to 75,437.25, 104,091.81 and 43,599.99 is: 60,161.28
Step by Step Solution
- Step 1: Write the proportion equation
75,437.25 : 104,091.81 = 43,599.99 : x - Step 2: Convert to fraction form
75,437.25/104,091.81 = 43,599.99/x - Step 3: Cross multiply
75,437.25x = 104,091.81 × 43,599.99 - Step 4: Simplify right side
75,437.25x = 4,538,401,875.08 - Step 5: Solve for x
x = 4,538,401,875.08/75,437.25 - Step 6: Final answer
x = 60,161.28
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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.