Finding the Fourth Proportional to 73,933.40, 102,027.98 and 42,102.31
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Solution
The fourth proportional to 73,933.40, 102,027.98 and 42,102.31 is: 58,101.12
Step by Step Solution
- Step 1: Write the proportion equation
73,933.40 : 102,027.98 = 42,102.31 : x - Step 2: Convert to fraction form
73,933.40/102,027.98 = 42,102.31/x - Step 3: Cross multiply
73,933.40x = 102,027.98 × 42,102.31 - Step 4: Simplify right side
73,933.40x = 4,295,613,642.63 - Step 5: Solve for x
x = 4,295,613,642.63/73,933.40 - Step 6: Final answer
x = 58,101.12
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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.