Finding the Fourth Proportional to 78,160.70, 107,865.99 and 44,170.61
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Solution
The fourth proportional to 78,160.70, 107,865.99 and 44,170.61 is: 60,957.83
Step by Step Solution
- Step 1: Write the proportion equation
78,160.70 : 107,865.99 = 44,170.61 : x - Step 2: Convert to fraction form
78,160.70/107,865.99 = 44,170.61/x - Step 3: Cross multiply
78,160.70x = 107,865.99 × 44,170.61 - Step 4: Simplify right side
78,160.70x = 4,764,506,037.22 - Step 5: Solve for x
x = 4,764,506,037.22/78,160.70 - Step 6: Final answer
x = 60,957.83
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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.