Finding the Fourth Proportional to 68,346.92, 102,527.62 and 28,908.02
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Solution
The fourth proportional to 68,346.92, 102,527.62 and 28,908.02 is: 43,365.09
Step by Step Solution
- Step 1: Write the proportion equation
68,346.92 : 102,527.62 = 28,908.02 : x - Step 2: Convert to fraction form
68,346.92/102,527.62 = 28,908.02/x - Step 3: Cross multiply
68,346.92x = 102,527.62 × 28,908.02 - Step 4: Simplify right side
68,346.92x = 2,963,870,489.51 - Step 5: Solve for x
x = 2,963,870,489.51/68,346.92 - Step 6: Final answer
x = 43,365.09
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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.