Finding the Fourth Proportional to 73,615.19, 110,408.82 and 20,293.99
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Solution
The fourth proportional to 73,615.19, 110,408.82 and 20,293.99 is: 30,437.14
Step by Step Solution
- Step 1: Write the proportion equation
73,615.19 : 110,408.82 = 20,293.99 : x - Step 2: Convert to fraction form
73,615.19/110,408.82 = 20,293.99/x - Step 3: Cross multiply
73,615.19x = 110,408.82 × 20,293.99 - Step 4: Simplify right side
73,615.19x = 2,240,635,743.65 - Step 5: Solve for x
x = 2,240,635,743.65/73,615.19 - Step 6: Final answer
x = 30,437.14
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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.