Finding the Fourth Proportional to 75,546.66, 113,268.87 and 42,289.68
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Solution
The fourth proportional to 75,546.66, 113,268.87 and 42,289.68 is: 63,405.90
Step by Step Solution
- Step 1: Write the proportion equation
75,546.66 : 113,268.87 = 42,289.68 : x - Step 2: Convert to fraction form
75,546.66/113,268.87 = 42,289.68/x - Step 3: Cross multiply
75,546.66x = 113,268.87 × 42,289.68 - Step 4: Simplify right side
75,546.66x = 4,790,104,266.26 - Step 5: Solve for x
x = 4,790,104,266.26/75,546.66 - Step 6: Final answer
x = 63,405.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.