Finding the Fourth Proportional to 73,844.40, 110,781.12 and 27,097.68
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Solution
The fourth proportional to 73,844.40, 110,781.12 and 27,097.68 is: 40,651.85
Step by Step Solution
- Step 1: Write the proportion equation
73,844.40 : 110,781.12 = 27,097.68 : x - Step 2: Convert to fraction form
73,844.40/110,781.12 = 27,097.68/x - Step 3: Cross multiply
73,844.40x = 110,781.12 × 27,097.68 - Step 4: Simplify right side
73,844.40x = 3,001,911,339.80 - Step 5: Solve for x
x = 3,001,911,339.80/73,844.40 - Step 6: Final answer
x = 40,651.85
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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.