Finding the Fourth Proportional to 75,527.01, 104,242.37 and 57,589.97
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Solution
The fourth proportional to 75,527.01, 104,242.37 and 57,589.97 is: 79,485.66
Step by Step Solution
- Step 1: Write the proportion equation
75,527.01 : 104,242.37 = 57,589.97 : x - Step 2: Convert to fraction form
75,527.01/104,242.37 = 57,589.97/x - Step 3: Cross multiply
75,527.01x = 104,242.37 × 57,589.97 - Step 4: Simplify right side
75,527.01x = 6,003,314,151.87 - Step 5: Solve for x
x = 6,003,314,151.87/75,527.01 - Step 6: Final answer
x = 79,485.66
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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.