Finding the Fourth Proportional to 75,325.79, 112,755.38 and 44,221.79
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Solution
The fourth proportional to 75,325.79, 112,755.38 and 44,221.79 is: 66,195.72
Step by Step Solution
- Step 1: Write the proportion equation
75,325.79 : 112,755.38 = 44,221.79 : x - Step 2: Convert to fraction form
75,325.79/112,755.38 = 44,221.79/x - Step 3: Cross multiply
75,325.79x = 112,755.38 × 44,221.79 - Step 4: Simplify right side
75,325.79x = 4,986,244,282.51 - Step 5: Solve for x
x = 4,986,244,282.51/75,325.79 - Step 6: Final answer
x = 66,195.72
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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.