Finding the Fourth Proportional to 103,800.63, 155,750.09 and 61,763.79
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Solution
The fourth proportional to 103,800.63, 155,750.09 and 61,763.79 is: 92,674.92
Step by Step Solution
- Step 1: Write the proportion equation
103,800.63 : 155,750.09 = 61,763.79 : x - Step 2: Convert to fraction form
103,800.63/155,750.09 = 61,763.79/x - Step 3: Cross multiply
103,800.63x = 155,750.09 × 61,763.79 - Step 4: Simplify right side
103,800.63x = 9,619,715,542.42 - Step 5: Solve for x
x = 9,619,715,542.42/103,800.63 - Step 6: Final answer
x = 92,674.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.