Finding the Fourth Proportional to 74,344.08, 102,592.80 and 40,810.08
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Solution
The fourth proportional to 74,344.08, 102,592.80 and 40,810.08 is: 56,316.80
Step by Step Solution
- Step 1: Write the proportion equation
74,344.08 : 102,592.80 = 40,810.08 : x - Step 2: Convert to fraction form
74,344.08/102,592.80 = 40,810.08/x - Step 3: Cross multiply
74,344.08x = 102,592.80 × 40,810.08 - Step 4: Simplify right side
74,344.08x = 4,186,820,375.42 - Step 5: Solve for x
x = 4,186,820,375.42/74,344.08 - Step 6: Final answer
x = 56,316.80
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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.