Finding the Fourth Proportional to 87,202.40, 120,341.61 and 48,965.00
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Solution
The fourth proportional to 87,202.40, 120,341.61 and 48,965.00 is: 67,572.99
Step by Step Solution
- Step 1: Write the proportion equation
87,202.40 : 120,341.61 = 48,965.00 : x - Step 2: Convert to fraction form
87,202.40/120,341.61 = 48,965.00/x - Step 3: Cross multiply
87,202.40x = 120,341.61 × 48,965.00 - Step 4: Simplify right side
87,202.40x = 5,892,526,331.94 - Step 5: Solve for x
x = 5,892,526,331.94/87,202.40 - Step 6: Final answer
x = 67,572.99
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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.