Finding the Fourth Proportional to 75,330.24, 103,958.88 and 41,796.48
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Solution
The fourth proportional to 75,330.24, 103,958.88 and 41,796.48 is: 57,680.89
Step by Step Solution
- Step 1: Write the proportion equation
75,330.24 : 103,958.88 = 41,796.48 : x - Step 2: Convert to fraction form
75,330.24/103,958.88 = 41,796.48/x - Step 3: Cross multiply
75,330.24x = 103,958.88 × 41,796.48 - Step 4: Simplify right side
75,330.24x = 4,345,115,248.74 - Step 5: Solve for x
x = 4,345,115,248.74/75,330.24 - Step 6: Final answer
x = 57,680.89
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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.