Finding the Fourth Proportional to 75,343.04, 112,935.68 and 25,405.92
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Solution
The fourth proportional to 75,343.04, 112,935.68 and 25,405.92 is: 38,082.28
Step by Step Solution
- Step 1: Write the proportion equation
75,343.04 : 112,935.68 = 25,405.92 : x - Step 2: Convert to fraction form
75,343.04/112,935.68 = 25,405.92/x - Step 3: Cross multiply
75,343.04x = 112,935.68 × 25,405.92 - Step 4: Simplify right side
75,343.04x = 2,869,234,851.23 - Step 5: Solve for x
x = 2,869,234,851.23/75,343.04 - Step 6: Final answer
x = 38,082.28
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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.