Finding the Fourth Proportional to 75,290.55, 112,912.28 and 27,253.09
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Solution
The fourth proportional to 75,290.55, 112,912.28 and 27,253.09 is: 40,871.12
Step by Step Solution
- Step 1: Write the proportion equation
75,290.55 : 112,912.28 = 27,253.09 : x - Step 2: Convert to fraction form
75,290.55/112,912.28 = 27,253.09/x - Step 3: Cross multiply
75,290.55x = 112,912.28 × 27,253.09 - Step 4: Simplify right side
75,290.55x = 3,077,208,636.02 - Step 5: Solve for x
x = 3,077,208,636.02/75,290.55 - Step 6: Final answer
x = 40,871.12
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.