Finding the Fourth Proportional to 75,842.88, 113,786.16 and 23,260.08
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Solution
The fourth proportional to 75,842.88, 113,786.16 and 23,260.08 is: 34,896.82
Step by Step Solution
- Step 1: Write the proportion equation
75,842.88 : 113,786.16 = 23,260.08 : x - Step 2: Convert to fraction form
75,842.88/113,786.16 = 23,260.08/x - Step 3: Cross multiply
75,842.88x = 113,786.16 × 23,260.08 - Step 4: Simplify right side
75,842.88x = 2,646,675,184.49 - Step 5: Solve for x
x = 2,646,675,184.49/75,842.88 - Step 6: Final answer
x = 34,896.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.