Finding the Fourth Proportional to 89,024.52, 122,855.28 and 48,737.58
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Solution
The fourth proportional to 89,024.52, 122,855.28 and 48,737.58 is: 67,258.65
Step by Step Solution
- Step 1: Write the proportion equation
89,024.52 : 122,855.28 = 48,737.58 : x - Step 2: Convert to fraction form
89,024.52/122,855.28 = 48,737.58/x - Step 3: Cross multiply
89,024.52x = 122,855.28 × 48,737.58 - Step 4: Simplify right side
89,024.52x = 5,987,669,037.42 - Step 5: Solve for x
x = 5,987,669,037.42/89,024.52 - Step 6: Final answer
x = 67,258.65
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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.