Finding the Fourth Proportional to 74,338.96, 102,534.74 and 68,226.34
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Solution
The fourth proportional to 74,338.96, 102,534.74 and 68,226.34 is: 94,103.68
Step by Step Solution
- Step 1: Write the proportion equation
74,338.96 : 102,534.74 = 68,226.34 : x - Step 2: Convert to fraction form
74,338.96/102,534.74 = 68,226.34/x - Step 3: Cross multiply
74,338.96x = 102,534.74 × 68,226.34 - Step 4: Simplify right side
74,338.96x = 6,995,570,033.05 - Step 5: Solve for x
x = 6,995,570,033.05/74,338.96 - Step 6: Final answer
x = 94,103.68
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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.