Finding the Fourth Proportional to 75,638.99, 104,380.94 and 41,646.78
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Solution
The fourth proportional to 75,638.99, 104,380.94 and 41,646.78 is: 57,472.08
Step by Step Solution
- Step 1: Write the proportion equation
75,638.99 : 104,380.94 = 41,646.78 : x - Step 2: Convert to fraction form
75,638.99/104,380.94 = 41,646.78/x - Step 3: Cross multiply
75,638.99x = 104,380.94 × 41,646.78 - Step 4: Simplify right side
75,638.99x = 4,347,130,148.49 - Step 5: Solve for x
x = 4,347,130,148.49/75,638.99 - Step 6: Final answer
x = 57,472.08
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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.