Finding the Fourth Proportional to 75,700.44, 104,431.44 and 48,851.48
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Solution
The fourth proportional to 75,700.44, 104,431.44 and 48,851.48 is: 67,392.35
Step by Step Solution
- Step 1: Write the proportion equation
75,700.44 : 104,431.44 = 48,851.48 : x - Step 2: Convert to fraction form
75,700.44/104,431.44 = 48,851.48/x - Step 3: Cross multiply
75,700.44x = 104,431.44 × 48,851.48 - Step 4: Simplify right side
75,700.44x = 5,101,630,402.53 - Step 5: Solve for x
x = 5,101,630,402.53/75,700.44 - Step 6: Final answer
x = 67,392.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.