Finding the Fourth Proportional to 75,325.80, 103,949.58 and 41,791.80
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Solution
The fourth proportional to 75,325.80, 103,949.58 and 41,791.80 is: 57,672.67
Step by Step Solution
- Step 1: Write the proportion equation
75,325.80 : 103,949.58 = 41,791.80 : x - Step 2: Convert to fraction form
75,325.80/103,949.58 = 41,791.80/x - Step 3: Cross multiply
75,325.80x = 103,949.58 × 41,791.80 - Step 4: Simplify right side
75,325.80x = 4,344,240,057.44 - Step 5: Solve for x
x = 4,344,240,057.44/75,325.80 - Step 6: Final answer
x = 57,672.67
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1.5x scale
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.