Finding the Fourth Proportional to 73,735.13, 110,603.10 and 18,331.13
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Solution
The fourth proportional to 73,735.13, 110,603.10 and 18,331.13 is: 27,496.79
Step by Step Solution
- Step 1: Write the proportion equation
73,735.13 : 110,603.10 = 18,331.13 : x - Step 2: Convert to fraction form
73,735.13/110,603.10 = 18,331.13/x - Step 3: Cross multiply
73,735.13x = 110,603.10 × 18,331.13 - Step 4: Simplify right side
73,735.13x = 2,027,479,251.49 - Step 5: Solve for x
x = 2,027,479,251.49/73,735.13 - Step 6: Final answer
x = 27,496.79
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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.