Finding the Fourth Proportional to 73,219.68, 101,042.64 and 41,394.78
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Solution
The fourth proportional to 73,219.68, 101,042.64 and 41,394.78 is: 57,124.50
Step by Step Solution
- Step 1: Write the proportion equation
73,219.68 : 101,042.64 = 41,394.78 : x - Step 2: Convert to fraction form
73,219.68/101,042.64 = 41,394.78/x - Step 3: Cross multiply
73,219.68x = 101,042.64 × 41,394.78 - Step 4: Simplify right side
73,219.68x = 4,182,637,853.42 - Step 5: Solve for x
x = 4,182,637,853.42/73,219.68 - Step 6: Final answer
x = 57,124.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.