Finding the Fourth Proportional to 76,875.84, 115,359.84 and 27,631.68
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Solution
The fourth proportional to 76,875.84, 115,359.84 and 27,631.68 is: 41,464.08
Step by Step Solution
- Step 1: Write the proportion equation
76,875.84 : 115,359.84 = 27,631.68 : x - Step 2: Convert to fraction form
76,875.84/115,359.84 = 27,631.68/x - Step 3: Cross multiply
76,875.84x = 115,359.84 × 27,631.68 - Step 4: Simplify right side
76,875.84x = 3,187,586,183.73 - Step 5: Solve for x
x = 3,187,586,183.73/76,875.84 - Step 6: Final answer
x = 41,464.08
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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.