Finding the Fourth Proportional to 74,342.08, 102,677.25 and 48,961.95
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Solution
The fourth proportional to 74,342.08, 102,677.25 and 48,961.95 is: 67,623.59
Step by Step Solution
- Step 1: Write the proportion equation
74,342.08 : 102,677.25 = 48,961.95 : x - Step 2: Convert to fraction form
74,342.08/102,677.25 = 48,961.95/x - Step 3: Cross multiply
74,342.08x = 102,677.25 × 48,961.95 - Step 4: Simplify right side
74,342.08x = 5,027,278,380.64 - Step 5: Solve for x
x = 5,027,278,380.64/74,342.08 - Step 6: Final answer
x = 67,623.59
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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.