Finding the Fourth Proportional to 68,107.24, 102,139.15 and 22,506.45
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Solution
The fourth proportional to 68,107.24, 102,139.15 and 22,506.45 is: 33,752.50
Step by Step Solution
- Step 1: Write the proportion equation
68,107.24 : 102,139.15 = 22,506.45 : x - Step 2: Convert to fraction form
68,107.24/102,139.15 = 22,506.45/x - Step 3: Cross multiply
68,107.24x = 102,139.15 × 22,506.45 - Step 4: Simplify right side
68,107.24x = 2,298,789,573.22 - Step 5: Solve for x
x = 2,298,789,573.22/68,107.24 - Step 6: Final answer
x = 33,752.50
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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.