Finding the Fourth Proportional to 74,381.07, 102,611.52 and 44,149.23
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Solution
The fourth proportional to 74,381.07, 102,611.52 and 44,149.23 is: 60,905.54
Step by Step Solution
- Step 1: Write the proportion equation
74,381.07 : 102,611.52 = 44,149.23 : x - Step 2: Convert to fraction form
74,381.07/102,611.52 = 44,149.23/x - Step 3: Cross multiply
74,381.07x = 102,611.52 × 44,149.23 - Step 4: Simplify right side
74,381.07x = 4,530,219,597.13 - Step 5: Solve for x
x = 4,530,219,597.13/74,381.07 - Step 6: Final answer
x = 60,905.54
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1.5x scale
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.