Finding the Fourth Proportional to 123,599.52, 170,556.84 and 69,877.08
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Solution
The fourth proportional to 123,599.52, 170,556.84 and 69,877.08 is: 96,424.44
Step by Step Solution
- Step 1: Write the proportion equation
123,599.52 : 170,556.84 = 69,877.08 : x - Step 2: Convert to fraction form
123,599.52/170,556.84 = 69,877.08/x - Step 3: Cross multiply
123,599.52x = 170,556.84 × 69,877.08 - Step 4: Simplify right side
123,599.52x = 11,918,013,953.23 - Step 5: Solve for x
x = 11,918,013,953.23/123,599.52 - Step 6: Final answer
x = 96,424.44
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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.