Finding the Fourth Proportional to 75,873.57, 113,754.12 and 36,393.09
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Solution
The fourth proportional to 75,873.57, 113,754.12 and 36,393.09 is: 54,562.66
Step by Step Solution
- Step 1: Write the proportion equation
75,873.57 : 113,754.12 = 36,393.09 : x - Step 2: Convert to fraction form
75,873.57/113,754.12 = 36,393.09/x - Step 3: Cross multiply
75,873.57x = 113,754.12 × 36,393.09 - Step 4: Simplify right side
75,873.57x = 4,139,863,927.03 - Step 5: Solve for x
x = 4,139,863,927.03/75,873.57 - Step 6: Final answer
x = 54,562.66
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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.