Finding the Fourth Proportional to 77,183.37, 106,518.77 and 43,195.26
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Solution
The fourth proportional to 77,183.37, 106,518.77 and 43,195.26 is: 59,612.66
Step by Step Solution
- Step 1: Write the proportion equation
77,183.37 : 106,518.77 = 43,195.26 : x - Step 2: Convert to fraction form
77,183.37/106,518.77 = 43,195.26/x - Step 3: Cross multiply
77,183.37x = 106,518.77 × 43,195.26 - Step 4: Simplify right side
77,183.37x = 4,601,105,965.03 - Step 5: Solve for x
x = 4,601,105,965.03/77,183.37 - Step 6: Final answer
x = 59,612.66
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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.