Finding the Fourth Proportional to 96,407.44, 132,948.80 and 75,178.96
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Solution
The fourth proportional to 96,407.44, 132,948.80 and 75,178.96 is: 103,674.08
Step by Step Solution
- Step 1: Write the proportion equation
96,407.44 : 132,948.80 = 75,178.96 : x - Step 2: Convert to fraction form
96,407.44/132,948.80 = 75,178.96/x - Step 3: Cross multiply
96,407.44x = 132,948.80 × 75,178.96 - Step 4: Simplify right side
96,407.44x = 9,994,952,517.25 - Step 5: Solve for x
x = 9,994,952,517.25/96,407.44 - Step 6: Final answer
x = 103,674.08
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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.