Finding the Fourth Proportional to 80,703.75, 121,075.08 and 25,299.75
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Solution
The fourth proportional to 80,703.75, 121,075.08 and 25,299.75 is: 37,955.72
Step by Step Solution
- Step 1: Write the proportion equation
80,703.75 : 121,075.08 = 25,299.75 : x - Step 2: Convert to fraction form
80,703.75/121,075.08 = 25,299.75/x - Step 3: Cross multiply
80,703.75x = 121,075.08 × 25,299.75 - Step 4: Simplify right side
80,703.75x = 3,063,169,255.23 - Step 5: Solve for x
x = 3,063,169,255.23/80,703.75 - Step 6: Final answer
x = 37,955.72
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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.