Finding the Fourth Proportional to 74,302.08, 102,532.80 and 40,765.44
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Solution
The fourth proportional to 74,302.08, 102,532.80 and 40,765.44 is: 56,254.07
Step by Step Solution
- Step 1: Write the proportion equation
74,302.08 : 102,532.80 = 40,765.44 : x - Step 2: Convert to fraction form
74,302.08/102,532.80 = 40,765.44/x - Step 3: Cross multiply
74,302.08x = 102,532.80 × 40,765.44 - Step 4: Simplify right side
74,302.08x = 4,179,794,706.43 - Step 5: Solve for x
x = 4,179,794,706.43/74,302.08 - Step 6: Final answer
x = 56,254.07
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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.