Finding the Fourth Proportional to 74,459.27, 102,754.58 and 40,467.75
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Solution
The fourth proportional to 74,459.27, 102,754.58 and 40,467.75 is: 55,845.92
Step by Step Solution
- Step 1: Write the proportion equation
74,459.27 : 102,754.58 = 40,467.75 : x - Step 2: Convert to fraction form
74,459.27/102,754.58 = 40,467.75/x - Step 3: Cross multiply
74,459.27x = 102,754.58 × 40,467.75 - Step 4: Simplify right side
74,459.27x = 4,158,246,452.46 - Step 5: Solve for x
x = 4,158,246,452.46/74,459.27 - Step 6: Final answer
x = 55,845.92
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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.