Finding the Fourth Proportional to 75,768.04, 104,560.42 and 41,777.80
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Solution
The fourth proportional to 75,768.04, 104,560.42 and 41,777.80 is: 57,653.65
Step by Step Solution
- Step 1: Write the proportion equation
75,768.04 : 104,560.42 = 41,777.80 : x - Step 2: Convert to fraction form
75,768.04/104,560.42 = 41,777.80/x - Step 3: Cross multiply
75,768.04x = 104,560.42 × 41,777.80 - Step 4: Simplify right side
75,768.04x = 4,368,304,314.68 - Step 5: Solve for x
x = 4,368,304,314.68/75,768.04 - Step 6: Final answer
x = 57,653.65
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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.