Finding the Fourth Proportional to 87,949.24, 121,370.06 and 47,663.00
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Solution
The fourth proportional to 87,949.24, 121,370.06 and 47,663.00 is: 65,775.00
Step by Step Solution
- Step 1: Write the proportion equation
87,949.24 : 121,370.06 = 47,663.00 : x - Step 2: Convert to fraction form
87,949.24/121,370.06 = 47,663.00/x - Step 3: Cross multiply
87,949.24x = 121,370.06 × 47,663.00 - Step 4: Simplify right side
87,949.24x = 5,784,861,685.88 - Step 5: Solve for x
x = 5,784,861,685.88/87,949.24 - Step 6: Final answer
x = 65,775.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.