Finding the Fourth Proportional to 83,387.95, 125,085.57 and 27,227.62
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Solution
The fourth proportional to 83,387.95, 125,085.57 and 27,227.62 is: 40,842.62
Step by Step Solution
- Step 1: Write the proportion equation
83,387.95 : 125,085.57 = 27,227.62 : x - Step 2: Convert to fraction form
83,387.95/125,085.57 = 27,227.62/x - Step 3: Cross multiply
83,387.95x = 125,085.57 × 27,227.62 - Step 4: Simplify right side
83,387.95x = 3,405,782,367.44 - Step 5: Solve for x
x = 3,405,782,367.44/83,387.95 - Step 6: Final answer
x = 40,842.62
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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.