Finding the Fourth Proportional to 74,720.06, 103,060.92 and 44,481.95
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Solution
The fourth proportional to 74,720.06, 103,060.92 and 44,481.95 is: 61,353.68
Step by Step Solution
- Step 1: Write the proportion equation
74,720.06 : 103,060.92 = 44,481.95 : x - Step 2: Convert to fraction form
74,720.06/103,060.92 = 44,481.95/x - Step 3: Cross multiply
74,720.06x = 103,060.92 × 44,481.95 - Step 4: Simplify right side
74,720.06x = 4,584,350,690.39 - Step 5: Solve for x
x = 4,584,350,690.39/74,720.06 - Step 6: Final answer
x = 61,353.68
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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.