Finding the Fourth Proportional to 76,419.52, 114,467.68 and 48,325.08
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Solution
The fourth proportional to 76,419.52, 114,467.68 and 48,325.08 is: 72,385.43
Step by Step Solution
- Step 1: Write the proportion equation
76,419.52 : 114,467.68 = 48,325.08 : x - Step 2: Convert to fraction form
76,419.52/114,467.68 = 48,325.08/x - Step 3: Cross multiply
76,419.52x = 114,467.68 × 48,325.08 - Step 4: Simplify right side
76,419.52x = 5,531,659,793.41 - Step 5: Solve for x
x = 5,531,659,793.41/76,419.52 - Step 6: Final answer
x = 72,385.43
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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.