Finding the Fourth Proportional to 74,803.92, 103,229.96 and 41,271.12
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Solution
The fourth proportional to 74,803.92, 103,229.96 and 41,271.12 is: 56,954.45
Step by Step Solution
- Step 1: Write the proportion equation
74,803.92 : 103,229.96 = 41,271.12 : x - Step 2: Convert to fraction form
74,803.92/103,229.96 = 41,271.12/x - Step 3: Cross multiply
74,803.92x = 103,229.96 × 41,271.12 - Step 4: Simplify right side
74,803.92x = 4,260,416,066.76 - Step 5: Solve for x
x = 4,260,416,066.76/74,803.92 - Step 6: Final answer
x = 56,954.45
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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.