Finding the Fourth Proportional to 83,426.92, 125,140.31 and 33,506.99
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Solution
The fourth proportional to 83,426.92, 125,140.31 and 33,506.99 is: 50,260.46
Step by Step Solution
- Step 1: Write the proportion equation
83,426.92 : 125,140.31 = 33,506.99 : x - Step 2: Convert to fraction form
83,426.92/125,140.31 = 33,506.99/x - Step 3: Cross multiply
83,426.92x = 125,140.31 × 33,506.99 - Step 4: Simplify right side
83,426.92x = 4,193,075,115.77 - Step 5: Solve for x
x = 4,193,075,115.77/83,426.92 - Step 6: Final answer
x = 50,260.46
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Similar ratio
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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.