Finding the Fourth Proportional to 84,555.68, 126,708.36 and 34,575.44
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Solution
The fourth proportional to 84,555.68, 126,708.36 and 34,575.44 is: 51,811.98
Step by Step Solution
- Step 1: Write the proportion equation
84,555.68 : 126,708.36 = 34,575.44 : x - Step 2: Convert to fraction form
84,555.68/126,708.36 = 34,575.44/x - Step 3: Cross multiply
84,555.68x = 126,708.36 × 34,575.44 - Step 4: Simplify right side
84,555.68x = 4,380,997,298.68 - Step 5: Solve for x
x = 4,380,997,298.68/84,555.68 - Step 6: Final answer
x = 51,811.98
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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.