Finding the Fourth Proportional to 67,929.24, 101,900.34 and 26,379.48
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Solution
The fourth proportional to 67,929.24, 101,900.34 and 26,379.48 is: 39,571.74
Step by Step Solution
- Step 1: Write the proportion equation
67,929.24 : 101,900.34 = 26,379.48 : x - Step 2: Convert to fraction form
67,929.24/101,900.34 = 26,379.48/x - Step 3: Cross multiply
67,929.24x = 101,900.34 × 26,379.48 - Step 4: Simplify right side
67,929.24x = 2,688,077,981.02 - Step 5: Solve for x
x = 2,688,077,981.02/67,929.24 - Step 6: Final answer
x = 39,571.74
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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.