Finding the Fourth Proportional to 74,341.08, 102,675.87 and 48,960.95
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Solution
The fourth proportional to 74,341.08, 102,675.87 and 48,960.95 is: 67,622.20
Step by Step Solution
- Step 1: Write the proportion equation
74,341.08 : 102,675.87 = 48,960.95 : x - Step 2: Convert to fraction form
74,341.08/102,675.87 = 48,960.95/x - Step 3: Cross multiply
74,341.08x = 102,675.87 × 48,960.95 - Step 4: Simplify right side
74,341.08x = 5,027,107,623.90 - Step 5: Solve for x
x = 5,027,107,623.90/74,341.08 - Step 6: Final answer
x = 67,622.20
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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.