Finding the Fourth Proportional to 75,491.40, 104,183.94 and 45,277.88
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Solution
The fourth proportional to 75,491.40, 104,183.94 and 45,277.88 is: 62,486.96
Step by Step Solution
- Step 1: Write the proportion equation
75,491.40 : 104,183.94 = 45,277.88 : x - Step 2: Convert to fraction form
75,491.40/104,183.94 = 45,277.88/x - Step 3: Cross multiply
75,491.40x = 104,183.94 × 45,277.88 - Step 4: Simplify right side
75,491.40x = 4,717,227,933.25 - Step 5: Solve for x
x = 4,717,227,933.25/75,491.40 - Step 6: Final answer
x = 62,486.96
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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.