Finding the Fourth Proportional to 94,201.87, 129,966.44 and 58,378.81
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Solution
The fourth proportional to 94,201.87, 129,966.44 and 58,378.81 is: 80,542.84
Step by Step Solution
- Step 1: Write the proportion equation
94,201.87 : 129,966.44 = 58,378.81 : x - Step 2: Convert to fraction form
94,201.87/129,966.44 = 58,378.81/x - Step 3: Cross multiply
94,201.87x = 129,966.44 × 58,378.81 - Step 4: Simplify right side
94,201.87x = 7,587,286,107.14 - Step 5: Solve for x
x = 7,587,286,107.14/94,201.87 - Step 6: Final answer
x = 80,542.84
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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.