Finding the Fourth Proportional to 106,796.48, 147,383.84 and 66,534.08
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Solution
The fourth proportional to 106,796.48, 147,383.84 and 66,534.08 is: 91,819.96
Step by Step Solution
- Step 1: Write the proportion equation
106,796.48 : 147,383.84 = 66,534.08 : x - Step 2: Convert to fraction form
106,796.48/147,383.84 = 66,534.08/x - Step 3: Cross multiply
106,796.48x = 147,383.84 × 66,534.08 - Step 4: Simplify right side
106,796.48x = 9,806,048,201.27 - Step 5: Solve for x
x = 9,806,048,201.27/106,796.48 - Step 6: Final answer
x = 91,819.96
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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.