Finding the Fourth Proportional to 83,902.08, 115,783.92 and 46,175.52
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Solution
The fourth proportional to 83,902.08, 115,783.92 and 46,175.52 is: 63,721.69
Step by Step Solution
- Step 1: Write the proportion equation
83,902.08 : 115,783.92 = 46,175.52 : x - Step 2: Convert to fraction form
83,902.08/115,783.92 = 46,175.52/x - Step 3: Cross multiply
83,902.08x = 115,783.92 × 46,175.52 - Step 4: Simplify right side
83,902.08x = 5,346,382,713.64 - Step 5: Solve for x
x = 5,346,382,713.64/83,902.08 - Step 6: Final answer
x = 63,721.69
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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.