Finding the Fourth Proportional to 75,107.84, 103,647.36 and 41,574.08
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Solution
The fourth proportional to 75,107.84, 103,647.36 and 41,574.08 is: 57,371.42
Step by Step Solution
- Step 1: Write the proportion equation
75,107.84 : 103,647.36 = 41,574.08 : x - Step 2: Convert to fraction form
75,107.84/103,647.36 = 41,574.08/x - Step 3: Cross multiply
75,107.84x = 103,647.36 × 41,574.08 - Step 4: Simplify right side
75,107.84x = 4,309,043,636.43 - Step 5: Solve for x
x = 4,309,043,636.43/75,107.84 - Step 6: Final answer
x = 57,371.42
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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.