Finding the Fourth Proportional to 74,807.76, 103,227.20 and 44,176.08
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Solution
The fourth proportional to 74,807.76, 103,227.20 and 44,176.08 is: 60,958.56
Step by Step Solution
- Step 1: Write the proportion equation
74,807.76 : 103,227.20 = 44,176.08 : x - Step 2: Convert to fraction form
74,807.76/103,227.20 = 44,176.08/x - Step 3: Cross multiply
74,807.76x = 103,227.20 × 44,176.08 - Step 4: Simplify right side
74,807.76x = 4,560,173,045.38 - Step 5: Solve for x
x = 4,560,173,045.38/74,807.76 - Step 6: Final answer
x = 60,958.56
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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.