Finding the Fourth Proportional to 83,841.80, 125,762.70 and 33,945.80
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Solution
The fourth proportional to 83,841.80, 125,762.70 and 33,945.80 is: 50,918.70
Step by Step Solution
- Step 1: Write the proportion equation
83,841.80 : 125,762.70 = 33,945.80 : x - Step 2: Convert to fraction form
83,841.80/125,762.70 = 33,945.80/x - Step 3: Cross multiply
83,841.80x = 125,762.70 × 33,945.80 - Step 4: Simplify right side
83,841.80x = 4,269,115,461.66 - Step 5: Solve for x
x = 4,269,115,461.66/83,841.80 - Step 6: Final answer
x = 50,918.70
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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.