Finding the Fourth Proportional to 79,857.99, 119,761.06 and 26,535.65
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Solution
The fourth proportional to 79,857.99, 119,761.06 and 26,535.65 is: 39,794.86
Step by Step Solution
- Step 1: Write the proportion equation
79,857.99 : 119,761.06 = 26,535.65 : x - Step 2: Convert to fraction form
79,857.99/119,761.06 = 26,535.65/x - Step 3: Cross multiply
79,857.99x = 119,761.06 × 26,535.65 - Step 4: Simplify right side
79,857.99x = 3,177,937,667.37 - Step 5: Solve for x
x = 3,177,937,667.37/79,857.99 - Step 6: Final answer
x = 39,794.86
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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.