Finding the Fourth Proportional to 73,933.15, 102,027.64 and 42,102.06
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Solution
The fourth proportional to 73,933.15, 102,027.64 and 42,102.06 is: 58,100.78
Step by Step Solution
- Step 1: Write the proportion equation
73,933.15 : 102,027.64 = 42,102.06 : x - Step 2: Convert to fraction form
73,933.15/102,027.64 = 42,102.06/x - Step 3: Cross multiply
73,933.15x = 102,027.64 × 42,102.06 - Step 4: Simplify right side
73,933.15x = 4,295,573,610.43 - Step 5: Solve for x
x = 4,295,573,610.43/73,933.15 - Step 6: Final answer
x = 58,100.78
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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.