Finding the Fourth Proportional to 96,421.44, 132,968.12 and 75,192.96
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Solution
The fourth proportional to 96,421.44, 132,968.12 and 75,192.96 is: 103,693.40
Step by Step Solution
- Step 1: Write the proportion equation
96,421.44 : 132,968.12 = 75,192.96 : x - Step 2: Convert to fraction form
96,421.44/132,968.12 = 75,192.96/x - Step 3: Cross multiply
96,421.44x = 132,968.12 × 75,192.96 - Step 4: Simplify right side
96,421.44x = 9,998,266,528.44 - Step 5: Solve for x
x = 9,998,266,528.44/96,421.44 - Step 6: Final answer
x = 103,693.40
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1.5x scale
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.