Finding the Fourth Proportional to 75,367.44, 103,985.78 and 48,525.48
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Solution
The fourth proportional to 75,367.44, 103,985.78 and 48,525.48 is: 66,951.45
Step by Step Solution
- Step 1: Write the proportion equation
75,367.44 : 103,985.78 = 48,525.48 : x - Step 2: Convert to fraction form
75,367.44/103,985.78 = 48,525.48/x - Step 3: Cross multiply
75,367.44x = 103,985.78 × 48,525.48 - Step 4: Simplify right side
75,367.44x = 5,045,959,645.05 - Step 5: Solve for x
x = 5,045,959,645.05/75,367.44 - Step 6: Final answer
x = 66,951.45
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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.