Finding the Fourth Proportional to 77,110.13, 115,665.99 and 27,180.92
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Solution
The fourth proportional to 77,110.13, 115,665.99 and 27,180.92 is: 40,771.66
Step by Step Solution
- Step 1: Write the proportion equation
77,110.13 : 115,665.99 = 27,180.92 : x - Step 2: Convert to fraction form
77,110.13/115,665.99 = 27,180.92/x - Step 3: Cross multiply
77,110.13x = 115,665.99 × 27,180.92 - Step 4: Simplify right side
77,110.13x = 3,143,908,020.91 - Step 5: Solve for x
x = 3,143,908,020.91/77,110.13 - Step 6: Final answer
x = 40,771.66
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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.