Finding the Fourth Proportional to 73,724.64, 110,586.93 and 18,320.64
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Solution
The fourth proportional to 73,724.64, 110,586.93 and 18,320.64 is: 27,480.95
Step by Step Solution
- Step 1: Write the proportion equation
73,724.64 : 110,586.93 = 18,320.64 : x - Step 2: Convert to fraction form
73,724.64/110,586.93 = 18,320.64/x - Step 3: Cross multiply
73,724.64x = 110,586.93 × 18,320.64 - Step 4: Simplify right side
73,724.64x = 2,026,023,333.24 - Step 5: Solve for x
x = 2,026,023,333.24/73,724.64 - Step 6: Final answer
x = 27,480.95
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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.