Finding the Fourth Proportional to 73,788.68, 110,617.27 and 27,030.62
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Solution
The fourth proportional to 73,788.68, 110,617.27 and 27,030.62 is: 40,521.84
Step by Step Solution
- Step 1: Write the proportion equation
73,788.68 : 110,617.27 = 27,030.62 : x - Step 2: Convert to fraction form
73,788.68/110,617.27 = 27,030.62/x - Step 3: Cross multiply
73,788.68x = 110,617.27 × 27,030.62 - Step 4: Simplify right side
73,788.68x = 2,990,053,390.81 - Step 5: Solve for x
x = 2,990,053,390.81/73,788.68 - Step 6: Final answer
x = 40,521.84
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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.