Finding the Fourth Proportional to 70,778.19, 106,183.70 and 24,031.07
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Solution
The fourth proportional to 70,778.19, 106,183.70 and 24,031.07 is: 36,052.17
Step by Step Solution
- Step 1: Write the proportion equation
70,778.19 : 106,183.70 = 24,031.07 : x - Step 2: Convert to fraction form
70,778.19/106,183.70 = 24,031.07/x - Step 3: Cross multiply
70,778.19x = 106,183.70 × 24,031.07 - Step 4: Simplify right side
70,778.19x = 2,551,707,276.49 - Step 5: Solve for x
x = 2,551,707,276.49/70,778.19 - Step 6: Final answer
x = 36,052.17
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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.