Finding the Fourth Proportional to 66,750.24, 100,135.08 and 20,006.76
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Solution
The fourth proportional to 66,750.24, 100,135.08 and 20,006.76 is: 30,013.05
Step by Step Solution
- Step 1: Write the proportion equation
66,750.24 : 100,135.08 = 20,006.76 : x - Step 2: Convert to fraction form
66,750.24/100,135.08 = 20,006.76/x - Step 3: Cross multiply
66,750.24x = 100,135.08 × 20,006.76 - Step 4: Simplify right side
66,750.24x = 2,003,378,513.14 - Step 5: Solve for x
x = 2,003,378,513.14/66,750.24 - Step 6: Final answer
x = 30,013.05
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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.