Finding the Fourth Proportional to 89,106.54, 122,967.02 and 48,821.83
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Solution
The fourth proportional to 89,106.54, 122,967.02 and 48,821.83 is: 67,374.12
Step by Step Solution
- Step 1: Write the proportion equation
89,106.54 : 122,967.02 = 48,821.83 : x - Step 2: Convert to fraction form
89,106.54/122,967.02 = 48,821.83/x - Step 3: Cross multiply
89,106.54x = 122,967.02 × 48,821.83 - Step 4: Simplify right side
89,106.54x = 6,003,474,946.05 - Step 5: Solve for x
x = 6,003,474,946.05/89,106.54 - Step 6: Final answer
x = 67,374.12
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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.