Finding the Fourth Proportional to 75,193.80, 103,767.47 and 41,202.01
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Solution
The fourth proportional to 75,193.80, 103,767.47 and 41,202.01 is: 56,858.79
Step by Step Solution
- Step 1: Write the proportion equation
75,193.80 : 103,767.47 = 41,202.01 : x - Step 2: Convert to fraction form
75,193.80/103,767.47 = 41,202.01/x - Step 3: Cross multiply
75,193.80x = 103,767.47 × 41,202.01 - Step 4: Simplify right side
75,193.80x = 4,275,428,130.60 - Step 5: Solve for x
x = 4,275,428,130.60/75,193.80 - Step 6: Final answer
x = 56,858.79
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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.