Finding the Fourth Proportional to 75,640.99, 113,473.80 and 22,338.36
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Solution
The fourth proportional to 75,640.99, 113,473.80 and 22,338.36 is: 33,511.18
Step by Step Solution
- Step 1: Write the proportion equation
75,640.99 : 113,473.80 = 22,338.36 : x - Step 2: Convert to fraction form
75,640.99/113,473.80 = 22,338.36/x - Step 3: Cross multiply
75,640.99x = 113,473.80 × 22,338.36 - Step 4: Simplify right side
75,640.99x = 2,534,818,594.97 - Step 5: Solve for x
x = 2,534,818,594.97/75,640.99 - Step 6: Final answer
x = 33,511.18
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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.