Finding the Fourth Proportional to 117,074.07, 161,562.20 and 63,359.09
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Solution
The fourth proportional to 117,074.07, 161,562.20 and 63,359.09 is: 87,435.54
Step by Step Solution
- Step 1: Write the proportion equation
117,074.07 : 161,562.20 = 63,359.09 : x - Step 2: Convert to fraction form
117,074.07/161,562.20 = 63,359.09/x - Step 3: Cross multiply
117,074.07x = 161,562.20 × 63,359.09 - Step 4: Simplify right side
117,074.07x = 10,236,434,532.70 - Step 5: Solve for x
x = 10,236,434,532.70/117,074.07 - Step 6: Final answer
x = 87,435.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.