Finding the Fourth Proportional to 74,119.04, 102,283.26 and 40,585.04
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Solution
The fourth proportional to 74,119.04, 102,283.26 and 40,585.04 is: 56,006.80
Step by Step Solution
- Step 1: Write the proportion equation
74,119.04 : 102,283.26 = 40,585.04 : x - Step 2: Convert to fraction form
74,119.04/102,283.26 = 40,585.04/x - Step 3: Cross multiply
74,119.04x = 102,283.26 × 40,585.04 - Step 4: Simplify right side
74,119.04x = 4,151,170,198.43 - Step 5: Solve for x
x = 4,151,170,198.43/74,119.04 - Step 6: Final answer
x = 56,006.80
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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.