Finding the Fourth Proportional to 75,683.14, 104,424.34 and 49,839.02
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Solution
The fourth proportional to 75,683.14, 104,424.34 and 49,839.02 is: 68,765.74
Step by Step Solution
- Step 1: Write the proportion equation
75,683.14 : 104,424.34 = 49,839.02 : x - Step 2: Convert to fraction form
75,683.14/104,424.34 = 49,839.02/x - Step 3: Cross multiply
75,683.14x = 104,424.34 × 49,839.02 - Step 4: Simplify right side
75,683.14x = 5,204,406,769.75 - Step 5: Solve for x
x = 5,204,406,769.75/75,683.14 - Step 6: Final answer
x = 68,765.74
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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.