Finding the Fourth Proportional to 73,380.68, 101,232.74 and 47,881.18
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Solution
The fourth proportional to 73,380.68, 101,232.74 and 47,881.18 is: 66,054.75
Step by Step Solution
- Step 1: Write the proportion equation
73,380.68 : 101,232.74 = 47,881.18 : x - Step 2: Convert to fraction form
73,380.68/101,232.74 = 47,881.18/x - Step 3: Cross multiply
73,380.68x = 101,232.74 × 47,881.18 - Step 4: Simplify right side
73,380.68x = 4,847,142,453.31 - Step 5: Solve for x
x = 4,847,142,453.31/73,380.68 - Step 6: Final answer
x = 66,054.75
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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.