Finding the Fourth Proportional to 74,324.04, 102,566.16 and 40,790.04
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Solution
The fourth proportional to 74,324.04, 102,566.16 and 40,790.04 is: 56,289.70
Step by Step Solution
- Step 1: Write the proportion equation
74,324.04 : 102,566.16 = 40,790.04 : x - Step 2: Convert to fraction form
74,324.04/102,566.16 = 40,790.04/x - Step 3: Cross multiply
74,324.04x = 102,566.16 × 40,790.04 - Step 4: Simplify right side
74,324.04x = 4,183,677,769.05 - Step 5: Solve for x
x = 4,183,677,769.05/74,324.04 - Step 6: Final answer
x = 56,289.70
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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.