Finding the Fourth Proportional to 77,480.73, 116,220.75 and 27,562.70
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Solution
The fourth proportional to 77,480.73, 116,220.75 and 27,562.70 is: 41,343.92
Step by Step Solution
- Step 1: Write the proportion equation
77,480.73 : 116,220.75 = 27,562.70 : x - Step 2: Convert to fraction form
77,480.73/116,220.75 = 27,562.70/x - Step 3: Cross multiply
77,480.73x = 116,220.75 × 27,562.70 - Step 4: Simplify right side
77,480.73x = 3,203,357,084.92 - Step 5: Solve for x
x = 3,203,357,084.92/77,480.73 - Step 6: Final answer
x = 41,343.92
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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.