Finding the Fourth Proportional to 83,350.08, 125,172.72 and 79,905.84
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Solution
The fourth proportional to 83,350.08, 125,172.72 and 79,905.84 is: 120,000.26
Step by Step Solution
- Step 1: Write the proportion equation
83,350.08 : 125,172.72 = 79,905.84 : x - Step 2: Convert to fraction form
83,350.08/125,172.72 = 79,905.84/x - Step 3: Cross multiply
83,350.08x = 125,172.72 × 79,905.84 - Step 4: Simplify right side
83,350.08x = 10,002,031,336.68 - Step 5: Solve for x
x = 10,002,031,336.68/83,350.08 - Step 6: Final answer
x = 120,000.26
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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.