Finding the Fourth Proportional to 71,625.97, 107,485.60 and 27,253.09
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Solution
The fourth proportional to 71,625.97, 107,485.60 and 27,253.09 is: 40,897.38
Step by Step Solution
- Step 1: Write the proportion equation
71,625.97 : 107,485.60 = 27,253.09 : x - Step 2: Convert to fraction form
71,625.97/107,485.60 = 27,253.09/x - Step 3: Cross multiply
71,625.97x = 107,485.60 × 27,253.09 - Step 4: Simplify right side
71,625.97x = 2,929,314,730.50 - Step 5: Solve for x
x = 2,929,314,730.50/71,625.97 - Step 6: Final answer
x = 40,897.38
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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.