Finding the Fourth Proportional to 75,250.56, 103,845.12 and 41,715.84
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Solution
The fourth proportional to 75,250.56, 103,845.12 and 41,715.84 is: 57,567.50
Step by Step Solution
- Step 1: Write the proportion equation
75,250.56 : 103,845.12 = 41,715.84 : x - Step 2: Convert to fraction form
75,250.56/103,845.12 = 41,715.84/x - Step 3: Cross multiply
75,250.56x = 103,845.12 × 41,715.84 - Step 4: Simplify right side
75,250.56x = 4,331,986,410.70 - Step 5: Solve for x
x = 4,331,986,410.70/75,250.56 - Step 6: Final answer
x = 57,567.50
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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.