Finding the Fourth Proportional to 75,986.24, 104,860.44 and 41,997.02
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Solution
The fourth proportional to 75,986.24, 104,860.44 and 41,997.02 is: 57,955.57
Step by Step Solution
- Step 1: Write the proportion equation
75,986.24 : 104,860.44 = 41,997.02 : x - Step 2: Convert to fraction form
75,986.24/104,860.44 = 41,997.02/x - Step 3: Cross multiply
75,986.24x = 104,860.44 × 41,997.02 - Step 4: Simplify right side
75,986.24x = 4,403,825,995.89 - Step 5: Solve for x
x = 4,403,825,995.89/75,986.24 - Step 6: Final answer
x = 57,955.57
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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.