Finding the Fourth Proportional to 52,378.05, 78,480.68 and 44,602.05
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Solution
The fourth proportional to 52,378.05, 78,480.68 and 44,602.05 is: 66,829.50
Step by Step Solution
- Step 1: Write the proportion equation
52,378.05 : 78,480.68 = 44,602.05 : x - Step 2: Convert to fraction form
52,378.05/78,480.68 = 44,602.05/x - Step 3: Cross multiply
52,378.05x = 78,480.68 × 44,602.05 - Step 4: Simplify right side
52,378.05x = 3,500,398,990.38 - Step 5: Solve for x
x = 3,500,398,990.38/52,378.05 - Step 6: Final answer
x = 66,829.50
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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.