Finding the Fourth Proportional to 87,194.35, 120,320.36 and 50,898.95
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Solution
The fourth proportional to 87,194.35, 120,320.36 and 50,898.95 is: 70,235.96
Step by Step Solution
- Step 1: Write the proportion equation
87,194.35 : 120,320.36 = 50,898.95 : x - Step 2: Convert to fraction form
87,194.35/120,320.36 = 50,898.95/x - Step 3: Cross multiply
87,194.35x = 120,320.36 × 50,898.95 - Step 4: Simplify right side
87,194.35x = 6,124,179,131.53 - Step 5: Solve for x
x = 6,124,179,131.53/87,194.35 - Step 6: Final answer
x = 70,235.96
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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.