Finding the Fourth Proportional to 68,133.84, 102,085.20 and 48,313.68
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Solution
The fourth proportional to 68,133.84, 102,085.20 and 48,313.68 is: 72,388.58
Step by Step Solution
- Step 1: Write the proportion equation
68,133.84 : 102,085.20 = 48,313.68 : x - Step 2: Convert to fraction form
68,133.84/102,085.20 = 48,313.68/x - Step 3: Cross multiply
68,133.84x = 102,085.20 × 48,313.68 - Step 4: Simplify right side
68,133.84x = 4,932,111,685.54 - Step 5: Solve for x
x = 4,932,111,685.54/68,133.84 - Step 6: Final answer
x = 72,388.58
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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.