Finding the Fourth Proportional to 69,882.19, 104,839.68 and 23,135.06
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Solution
The fourth proportional to 69,882.19, 104,839.68 and 23,135.06 is: 34,708.02
Step by Step Solution
- Step 1: Write the proportion equation
69,882.19 : 104,839.68 = 23,135.06 : x - Step 2: Convert to fraction form
69,882.19/104,839.68 = 23,135.06/x - Step 3: Cross multiply
69,882.19x = 104,839.68 × 23,135.06 - Step 4: Simplify right side
69,882.19x = 2,425,472,636.04 - Step 5: Solve for x
x = 2,425,472,636.04/69,882.19 - Step 6: Final answer
x = 34,708.02
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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.