Finding the Fourth Proportional to 74,064.18, 102,202.20 and 41,797.02
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Solution
The fourth proportional to 74,064.18, 102,202.20 and 41,797.02 is: 57,676.29
Step by Step Solution
- Step 1: Write the proportion equation
74,064.18 : 102,202.20 = 41,797.02 : x - Step 2: Convert to fraction form
74,064.18/102,202.20 = 41,797.02/x - Step 3: Cross multiply
74,064.18x = 102,202.20 × 41,797.02 - Step 4: Simplify right side
74,064.18x = 4,271,747,397.44 - Step 5: Solve for x
x = 4,271,747,397.44/74,064.18 - Step 6: Final answer
x = 57,676.29
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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.