Finding the Fourth Proportional to 75,756.99, 104,539.92 and 41,763.72
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Solution
The fourth proportional to 75,756.99, 104,539.92 and 41,763.72 is: 57,631.33
Step by Step Solution
- Step 1: Write the proportion equation
75,756.99 : 104,539.92 = 41,763.72 : x - Step 2: Convert to fraction form
75,756.99/104,539.92 = 41,763.72/x - Step 3: Cross multiply
75,756.99x = 104,539.92 × 41,763.72 - Step 4: Simplify right side
75,756.99x = 4,365,975,947.70 - Step 5: Solve for x
x = 4,365,975,947.70/75,756.99 - Step 6: Final answer
x = 57,631.33
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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.