Finding the Fourth Proportional to 83,928.12, 115,818.24 and 46,202.08
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Solution
The fourth proportional to 83,928.12, 115,818.24 and 46,202.08 is: 63,757.46
Step by Step Solution
- Step 1: Write the proportion equation
83,928.12 : 115,818.24 = 46,202.08 : x - Step 2: Convert to fraction form
83,928.12/115,818.24 = 46,202.08/x - Step 3: Cross multiply
83,928.12x = 115,818.24 × 46,202.08 - Step 4: Simplify right side
83,928.12x = 5,351,043,589.94 - Step 5: Solve for x
x = 5,351,043,589.94/83,928.12 - Step 6: Final answer
x = 63,757.46
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1.5x scale
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.