Finding the Fourth Proportional to 80,792.24, 121,024.20 and 59,794.88
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Solution
The fourth proportional to 80,792.24, 121,024.20 and 59,794.88 is: 89,570.82
Step by Step Solution
- Step 1: Write the proportion equation
80,792.24 : 121,024.20 = 59,794.88 : x - Step 2: Convert to fraction form
80,792.24/121,024.20 = 59,794.88/x - Step 3: Cross multiply
80,792.24x = 121,024.20 × 59,794.88 - Step 4: Simplify right side
80,792.24x = 7,236,627,516.10 - Step 5: Solve for x
x = 7,236,627,516.10/80,792.24 - Step 6: Final answer
x = 89,570.82
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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.