Finding the Fourth Proportional to 123,675.93, 170,672.84 and 69,959.80
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Solution
The fourth proportional to 123,675.93, 170,672.84 and 69,959.80 is: 96,544.56
Step by Step Solution
- Step 1: Write the proportion equation
123,675.93 : 170,672.84 = 69,959.80 : x - Step 2: Convert to fraction form
123,675.93/170,672.84 = 69,959.80/x - Step 3: Cross multiply
123,675.93x = 170,672.84 × 69,959.80 - Step 4: Simplify right side
123,675.93x = 11,940,237,877.72 - Step 5: Solve for x
x = 11,940,237,877.72/123,675.93 - Step 6: Final answer
x = 96,544.56
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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.