Finding the Fourth Proportional to 74,604.84, 102,494.17 and 66,751.08
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Solution
The fourth proportional to 74,604.84, 102,494.17 and 66,751.08 is: 91,704.46
Step by Step Solution
- Step 1: Write the proportion equation
74,604.84 : 102,494.17 = 66,751.08 : x - Step 2: Convert to fraction form
74,604.84/102,494.17 = 66,751.08/x - Step 3: Cross multiply
74,604.84x = 102,494.17 × 66,751.08 - Step 4: Simplify right side
74,604.84x = 6,841,596,541.20 - Step 5: Solve for x
x = 6,841,596,541.20/74,604.84 - Step 6: Final answer
x = 91,704.46
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.