Finding the Fourth Proportional to 83,697.99, 125,555.25 and 27,515.31
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Solution
The fourth proportional to 83,697.99, 125,555.25 and 27,515.31 is: 41,275.68
Step by Step Solution
- Step 1: Write the proportion equation
83,697.99 : 125,555.25 = 27,515.31 : x - Step 2: Convert to fraction form
83,697.99/125,555.25 = 27,515.31/x - Step 3: Cross multiply
83,697.99x = 125,555.25 × 27,515.31 - Step 4: Simplify right side
83,697.99x = 3,454,691,625.88 - Step 5: Solve for x
x = 3,454,691,625.88/83,697.99 - Step 6: Final answer
x = 41,275.68
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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.