Finding the Fourth Proportional to 74,938.42, 112,487.62 and 32,264.94
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Solution
The fourth proportional to 74,938.42, 112,487.62 and 32,264.94 is: 48,431.85
Step by Step Solution
- Step 1: Write the proportion equation
74,938.42 : 112,487.62 = 32,264.94 : x - Step 2: Convert to fraction form
74,938.42/112,487.62 = 32,264.94/x - Step 3: Cross multiply
74,938.42x = 112,487.62 × 32,264.94 - Step 4: Simplify right side
74,938.42x = 3,629,406,310.04 - Step 5: Solve for x
x = 3,629,406,310.04/74,938.42 - Step 6: Final answer
x = 48,431.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.