Finding the Fourth Proportional to 73,839.29, 101,867.88 and 54,765.99
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Solution
The fourth proportional to 73,839.29, 101,867.88 and 54,765.99 is: 75,554.56
Step by Step Solution
- Step 1: Write the proportion equation
73,839.29 : 101,867.88 = 54,765.99 : x - Step 2: Convert to fraction form
73,839.29/101,867.88 = 54,765.99/x - Step 3: Cross multiply
73,839.29x = 101,867.88 × 54,765.99 - Step 4: Simplify right side
73,839.29x = 5,578,895,297.40 - Step 5: Solve for x
x = 5,578,895,297.40/73,839.29 - Step 6: Final answer
x = 75,554.56
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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.