Finding the Fourth Proportional to 73,750.14, 110,625.18 and 18,346.14
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Solution
The fourth proportional to 73,750.14, 110,625.18 and 18,346.14 is: 27,519.20
Step by Step Solution
- Step 1: Write the proportion equation
73,750.14 : 110,625.18 = 18,346.14 : x - Step 2: Convert to fraction form
73,750.14/110,625.18 = 18,346.14/x - Step 3: Cross multiply
73,750.14x = 110,625.18 × 18,346.14 - Step 4: Simplify right side
73,750.14x = 2,029,545,039.81 - Step 5: Solve for x
x = 2,029,545,039.81/73,750.14 - Step 6: Final answer
x = 27,519.20
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1.5x scale
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.