Finding the Fourth Proportional to 96,115.80, 132,629.97 and 55,838.08
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Solution
The fourth proportional to 96,115.80, 132,629.97 and 55,838.08 is: 77,050.84
Step by Step Solution
- Step 1: Write the proportion equation
96,115.80 : 132,629.97 = 55,838.08 : x - Step 2: Convert to fraction form
96,115.80/132,629.97 = 55,838.08/x - Step 3: Cross multiply
96,115.80x = 132,629.97 × 55,838.08 - Step 4: Simplify right side
96,115.80x = 7,405,802,875.26 - Step 5: Solve for x
x = 7,405,802,875.26/96,115.80 - Step 6: Final answer
x = 77,050.84
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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.