Finding the Fourth Proportional to 84,076.08, 125,906.64 and 48,909.12
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Solution
The fourth proportional to 84,076.08, 125,906.64 and 48,909.12 is: 73,242.98
Step by Step Solution
- Step 1: Write the proportion equation
84,076.08 : 125,906.64 = 48,909.12 : x - Step 2: Convert to fraction form
84,076.08/125,906.64 = 48,909.12/x - Step 3: Cross multiply
84,076.08x = 125,906.64 × 48,909.12 - Step 4: Simplify right side
84,076.08x = 6,157,982,964.56 - Step 5: Solve for x
x = 6,157,982,964.56/84,076.08 - Step 6: Final answer
x = 73,242.98
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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.