Finding the Fourth Proportional to 74,616.08, 102,967.08 and 41,079.92
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Solution
The fourth proportional to 74,616.08, 102,967.08 and 41,079.92 is: 56,688.58
Step by Step Solution
- Step 1: Write the proportion equation
74,616.08 : 102,967.08 = 41,079.92 : x - Step 2: Convert to fraction form
74,616.08/102,967.08 = 41,079.92/x - Step 3: Cross multiply
74,616.08x = 102,967.08 × 41,079.92 - Step 4: Simplify right side
74,616.08x = 4,229,879,409.03 - Step 5: Solve for x
x = 4,229,879,409.03/74,616.08 - Step 6: Final answer
x = 56,688.58
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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.