Finding the Fourth Proportional to 79,317.02, 109,481.97 and 51,022.70
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Solution
The fourth proportional to 79,317.02, 109,481.97 and 51,022.70 is: 70,427.07
Step by Step Solution
- Step 1: Write the proportion equation
79,317.02 : 109,481.97 = 51,022.70 : x - Step 2: Convert to fraction form
79,317.02/109,481.97 = 51,022.70/x - Step 3: Cross multiply
79,317.02x = 109,481.97 × 51,022.70 - Step 4: Simplify right side
79,317.02x = 5,586,065,710.72 - Step 5: Solve for x
x = 5,586,065,710.72/79,317.02 - Step 6: Final answer
x = 70,427.07
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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.