Finding the Fourth Proportional to 87,616.73, 120,910.95 and 47,330.48
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Solution
The fourth proportional to 87,616.73, 120,910.95 and 47,330.48 is: 65,315.99
Step by Step Solution
- Step 1: Write the proportion equation
87,616.73 : 120,910.95 = 47,330.48 : x - Step 2: Convert to fraction form
87,616.73/120,910.95 = 47,330.48/x - Step 3: Cross multiply
87,616.73x = 120,910.95 × 47,330.48 - Step 4: Simplify right side
87,616.73x = 5,722,773,300.76 - Step 5: Solve for x
x = 5,722,773,300.76/87,616.73 - Step 6: Final answer
x = 65,315.99
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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.