Finding the Fourth Proportional to 79,851.39, 119,716.92 and 48,254.70
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Solution
The fourth proportional to 79,851.39, 119,716.92 and 48,254.70 is: 72,345.70
Step by Step Solution
- Step 1: Write the proportion equation
79,851.39 : 119,716.92 = 48,254.70 : x - Step 2: Convert to fraction form
79,851.39/119,716.92 = 48,254.70/x - Step 3: Cross multiply
79,851.39x = 119,716.92 × 48,254.70 - Step 4: Simplify right side
79,851.39x = 5,776,904,508.46 - Step 5: Solve for x
x = 5,776,904,508.46/79,851.39 - Step 6: Final answer
x = 72,345.70
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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.