Finding the Fourth Proportional to 76,240.92, 105,202.62 and 42,706.92
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Solution
The fourth proportional to 76,240.92, 105,202.62 and 42,706.92 is: 58,930.03
Step by Step Solution
- Step 1: Write the proportion equation
76,240.92 : 105,202.62 = 42,706.92 : x - Step 2: Convert to fraction form
76,240.92/105,202.62 = 42,706.92/x - Step 3: Cross multiply
76,240.92x = 105,202.62 × 42,706.92 - Step 4: Simplify right side
76,240.92x = 4,492,879,876.13 - Step 5: Solve for x
x = 4,492,879,876.13/76,240.92 - Step 6: Final answer
x = 58,930.03
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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.