Finding the Fourth Proportional to 68,391.95, 102,624.05 and 48,529.79
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Solution
The fourth proportional to 68,391.95, 102,624.05 and 48,529.79 is: 72,820.31
Step by Step Solution
- Step 1: Write the proportion equation
68,391.95 : 102,624.05 = 48,529.79 : x - Step 2: Convert to fraction form
68,391.95/102,624.05 = 48,529.79/x - Step 3: Cross multiply
68,391.95x = 102,624.05 × 48,529.79 - Step 4: Simplify right side
68,391.95x = 4,980,323,315.51 - Step 5: Solve for x
x = 4,980,323,315.51/68,391.95 - Step 6: Final answer
x = 72,820.31
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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.