Finding the Fourth Proportional to 83,956.28, 115,857.42 and 46,230.84
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Solution
The fourth proportional to 83,956.28, 115,857.42 and 46,230.84 is: 63,797.32
Step by Step Solution
- Step 1: Write the proportion equation
83,956.28 : 115,857.42 = 46,230.84 : x - Step 2: Convert to fraction form
83,956.28/115,857.42 = 46,230.84/x - Step 3: Cross multiply
83,956.28x = 115,857.42 × 46,230.84 - Step 4: Simplify right side
83,956.28x = 5,356,185,846.83 - Step 5: Solve for x
x = 5,356,185,846.83/83,956.28 - Step 6: Final answer
x = 63,797.32
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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.