Finding the Fourth Proportional to 123,564.01, 170,554.58 and 71,893.26
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Solution
The fourth proportional to 123,564.01, 170,554.58 and 71,893.26 is: 99,233.79
Step by Step Solution
- Step 1: Write the proportion equation
123,564.01 : 170,554.58 = 71,893.26 : x - Step 2: Convert to fraction form
123,564.01/170,554.58 = 71,893.26/x - Step 3: Cross multiply
123,564.01x = 170,554.58 × 71,893.26 - Step 4: Simplify right side
123,564.01x = 12,261,724,764.13 - Step 5: Solve for x
x = 12,261,724,764.13/123,564.01 - Step 6: Final answer
x = 99,233.79
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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.