Finding the Fourth Proportional to 75,275.19, 103,879.76 and 41,741.19
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Solution
The fourth proportional to 75,275.19, 103,879.76 and 41,741.19 is: 57,602.84
Step by Step Solution
- Step 1: Write the proportion equation
75,275.19 : 103,879.76 = 41,741.19 : x - Step 2: Convert to fraction form
75,275.19/103,879.76 = 41,741.19/x - Step 3: Cross multiply
75,275.19x = 103,879.76 × 41,741.19 - Step 4: Simplify right side
75,275.19x = 4,336,065,147.58 - Step 5: Solve for x
x = 4,336,065,147.58/75,275.19 - Step 6: Final answer
x = 57,602.84
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.