Finding the Fourth Proportional to 83,372.50, 125,070.77 and 27,198.71
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Solution
The fourth proportional to 83,372.50, 125,070.77 and 27,198.71 is: 40,801.99
Step by Step Solution
- Step 1: Write the proportion equation
83,372.50 : 125,070.77 = 27,198.71 : x - Step 2: Convert to fraction form
83,372.50/125,070.77 = 27,198.71/x - Step 3: Cross multiply
83,372.50x = 125,070.77 × 27,198.71 - Step 4: Simplify right side
83,372.50x = 3,401,763,602.71 - Step 5: Solve for x
x = 3,401,763,602.71/83,372.50 - Step 6: Final answer
x = 40,801.99
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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.