Finding the Fourth Proportional to 74,093.67, 102,248.46 and 40,102.02
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Solution
The fourth proportional to 74,093.67, 102,248.46 and 40,102.02 is: 55,340.35
Step by Step Solution
- Step 1: Write the proportion equation
74,093.67 : 102,248.46 = 40,102.02 : x - Step 2: Convert to fraction form
74,093.67/102,248.46 = 40,102.02/x - Step 3: Cross multiply
74,093.67x = 102,248.46 × 40,102.02 - Step 4: Simplify right side
74,093.67x = 4,100,369,787.89 - Step 5: Solve for x
x = 4,100,369,787.89/74,093.67 - Step 6: Final answer
x = 55,340.35
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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.