Finding the Fourth Proportional to 73,439.36, 110,165.52 and 26,679.68
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Solution
The fourth proportional to 73,439.36, 110,165.52 and 26,679.68 is: 40,021.87
Step by Step Solution
- Step 1: Write the proportion equation
73,439.36 : 110,165.52 = 26,679.68 : x - Step 2: Convert to fraction form
73,439.36/110,165.52 = 26,679.68/x - Step 3: Cross multiply
73,439.36x = 110,165.52 × 26,679.68 - Step 4: Simplify right side
73,439.36x = 2,939,180,820.63 - Step 5: Solve for x
x = 2,939,180,820.63/73,439.36 - Step 6: Final answer
x = 40,021.87
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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.