Finding the Fourth Proportional to 75,268.75, 103,871.01 and 41,277.47
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Solution
The fourth proportional to 75,268.75, 103,871.01 and 41,277.47 is: 56,962.99
Step by Step Solution
- Step 1: Write the proportion equation
75,268.75 : 103,871.01 = 41,277.47 : x - Step 2: Convert to fraction form
75,268.75/103,871.01 = 41,277.47/x - Step 3: Cross multiply
75,268.75x = 103,871.01 × 41,277.47 - Step 4: Simplify right side
75,268.75x = 4,287,532,602.34 - Step 5: Solve for x
x = 4,287,532,602.34/75,268.75 - Step 6: Final answer
x = 56,962.99
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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.