Finding the Fourth Proportional to 75,377.92, 113,066.88 and 19,974.08
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Solution
The fourth proportional to 75,377.92, 113,066.88 and 19,974.08 is: 29,961.12
Step by Step Solution
- Step 1: Write the proportion equation
75,377.92 : 113,066.88 = 19,974.08 : x - Step 2: Convert to fraction form
75,377.92/113,066.88 = 19,974.08/x - Step 3: Cross multiply
75,377.92x = 113,066.88 × 19,974.08 - Step 4: Simplify right side
75,377.92x = 2,258,406,906.47 - Step 5: Solve for x
x = 2,258,406,906.47/75,377.92 - Step 6: Final answer
x = 29,961.12
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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.