Finding the Fourth Proportional to 75,326.74, 103,949.97 and 43,494.94
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Solution
The fourth proportional to 75,326.74, 103,949.97 and 43,494.94 is: 60,022.48
Step by Step Solution
- Step 1: Write the proportion equation
75,326.74 : 103,949.97 = 43,494.94 : x - Step 2: Convert to fraction form
75,326.74/103,949.97 = 43,494.94/x - Step 3: Cross multiply
75,326.74x = 103,949.97 × 43,494.94 - Step 4: Simplify right side
75,326.74x = 4,521,297,708.15 - Step 5: Solve for x
x = 4,521,297,708.15/75,326.74 - Step 6: Final answer
x = 60,022.48
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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.