Finding the Fourth Proportional to 70,911.36, 106,378.02 and 24,160.68
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Solution
The fourth proportional to 70,911.36, 106,378.02 and 24,160.68 is: 36,244.76
Step by Step Solution
- Step 1: Write the proportion equation
70,911.36 : 106,378.02 = 24,160.68 : x - Step 2: Convert to fraction form
70,911.36/106,378.02 = 24,160.68/x - Step 3: Cross multiply
70,911.36x = 106,378.02 × 24,160.68 - Step 4: Simplify right side
70,911.36x = 2,570,165,300.25 - Step 5: Solve for x
x = 2,570,165,300.25/70,911.36 - Step 6: Final answer
x = 36,244.76
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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.