Finding the Fourth Proportional to 75,617.22, 104,357.79 and 43,786.68
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Solution
The fourth proportional to 75,617.22, 104,357.79 and 43,786.68 is: 60,429.11
Step by Step Solution
- Step 1: Write the proportion equation
75,617.22 : 104,357.79 = 43,786.68 : x - Step 2: Convert to fraction form
75,617.22/104,357.79 = 43,786.68/x - Step 3: Cross multiply
75,617.22x = 104,357.79 × 43,786.68 - Step 4: Simplify right side
75,617.22x = 4,569,481,156.24 - Step 5: Solve for x
x = 4,569,481,156.24/75,617.22 - Step 6: Final answer
x = 60,429.11
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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.