Finding the Fourth Proportional to 75,806.98, 104,614.48 and 41,816.68
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Solution
The fourth proportional to 75,806.98, 104,614.48 and 41,816.68 is: 57,707.49
Step by Step Solution
- Step 1: Write the proportion equation
75,806.98 : 104,614.48 = 41,816.68 : x - Step 2: Convert to fraction form
75,806.98/104,614.48 = 41,816.68/x - Step 3: Cross multiply
75,806.98x = 104,614.48 × 41,816.68 - Step 4: Simplify right side
75,806.98x = 4,374,630,233.53 - Step 5: Solve for x
x = 4,374,630,233.53/75,806.98 - Step 6: Final answer
x = 57,707.49
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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.