Finding the Fourth Proportional to 84,289.41, 126,452.34 and 44,840.79
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Solution
The fourth proportional to 84,289.41, 126,452.34 and 44,840.79 is: 67,270.88
Step by Step Solution
- Step 1: Write the proportion equation
84,289.41 : 126,452.34 = 44,840.79 : x - Step 2: Convert to fraction form
84,289.41/126,452.34 = 44,840.79/x - Step 3: Cross multiply
84,289.41x = 126,452.34 × 44,840.79 - Step 4: Simplify right side
84,289.41x = 5,670,222,822.95 - Step 5: Solve for x
x = 5,670,222,822.95/84,289.41 - Step 6: Final answer
x = 67,270.88
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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.