Finding the Fourth Proportional to 83,845.73, 115,723.53 and 48,059.70
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Solution
The fourth proportional to 83,845.73, 115,723.53 and 48,059.70 is: 66,331.80
Step by Step Solution
- Step 1: Write the proportion equation
83,845.73 : 115,723.53 = 48,059.70 : x - Step 2: Convert to fraction form
83,845.73/115,723.53 = 48,059.70/x - Step 3: Cross multiply
83,845.73x = 115,723.53 × 48,059.70 - Step 4: Simplify right side
83,845.73x = 5,561,638,134.74 - Step 5: Solve for x
x = 5,561,638,134.74/83,845.73 - Step 6: Final answer
x = 66,331.80
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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.