Finding the Fourth Proportional to 73,859.64, 110,847.60 and 27,125.88
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Solution
The fourth proportional to 73,859.64, 110,847.60 and 27,125.88 is: 40,710.17
Step by Step Solution
- Step 1: Write the proportion equation
73,859.64 : 110,847.60 = 27,125.88 : x - Step 2: Convert to fraction form
73,859.64/110,847.60 = 27,125.88/x - Step 3: Cross multiply
73,859.64x = 110,847.60 × 27,125.88 - Step 4: Simplify right side
73,859.64x = 3,006,838,695.89 - Step 5: Solve for x
x = 3,006,838,695.89/73,859.64 - Step 6: Final answer
x = 40,710.17
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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.