Finding the Fourth Proportional to 77,562.99, 116,315.75 and 27,629.82
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Solution
The fourth proportional to 77,562.99, 116,315.75 and 27,629.82 is: 41,434.49
Step by Step Solution
- Step 1: Write the proportion equation
77,562.99 : 116,315.75 = 27,629.82 : x - Step 2: Convert to fraction form
77,562.99/116,315.75 = 27,629.82/x - Step 3: Cross multiply
77,562.99x = 116,315.75 × 27,629.82 - Step 4: Simplify right side
77,562.99x = 3,213,783,304.74 - Step 5: Solve for x
x = 3,213,783,304.74/77,562.99 - Step 6: Final answer
x = 41,434.49
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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.