Finding the Fourth Proportional to 86,175.09, 118,932.98 and 48,456.63
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Solution
The fourth proportional to 86,175.09, 118,932.98 and 48,456.63 is: 66,876.53
Step by Step Solution
- Step 1: Write the proportion equation
86,175.09 : 118,932.98 = 48,456.63 : x - Step 2: Convert to fraction form
86,175.09/118,932.98 = 48,456.63/x - Step 3: Cross multiply
86,175.09x = 118,932.98 × 48,456.63 - Step 4: Simplify right side
86,175.09x = 5,763,091,164.37 - Step 5: Solve for x
x = 5,763,091,164.37/86,175.09 - Step 6: Final answer
x = 66,876.53
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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.