Finding the Fourth Proportional to 76,946.32, 106,188.68 and 44,678.52
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Solution
The fourth proportional to 76,946.32, 106,188.68 and 44,678.52 is: 61,657.96
Step by Step Solution
- Step 1: Write the proportion equation
76,946.32 : 106,188.68 = 44,678.52 : x - Step 2: Convert to fraction form
76,946.32/106,188.68 = 44,678.52/x - Step 3: Cross multiply
76,946.32x = 106,188.68 × 44,678.52 - Step 4: Simplify right side
76,946.32x = 4,744,353,063.15 - Step 5: Solve for x
x = 4,744,353,063.15/76,946.32 - Step 6: Final answer
x = 61,657.96
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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.