Finding the Fourth Proportional to 73,995.39, 102,105.77 and 43,781.99
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Solution
The fourth proportional to 73,995.39, 102,105.77 and 43,781.99 is: 60,414.48
Step by Step Solution
- Step 1: Write the proportion equation
73,995.39 : 102,105.77 = 43,781.99 : x - Step 2: Convert to fraction form
73,995.39/102,105.77 = 43,781.99/x - Step 3: Cross multiply
73,995.39x = 102,105.77 × 43,781.99 - Step 4: Simplify right side
73,995.39x = 4,470,393,071.64 - Step 5: Solve for x
x = 4,470,393,071.64/73,995.39 - Step 6: Final answer
x = 60,414.48
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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.