Finding the Fourth Proportional to 74,153.07, 102,249.23 and 47,252.97
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Solution
The fourth proportional to 74,153.07, 102,249.23 and 47,252.97 is: 65,156.84
Step by Step Solution
- Step 1: Write the proportion equation
74,153.07 : 102,249.23 = 47,252.97 : x - Step 2: Convert to fraction form
74,153.07/102,249.23 = 47,252.97/x - Step 3: Cross multiply
74,153.07x = 102,249.23 × 47,252.97 - Step 4: Simplify right side
74,153.07x = 4,831,579,404.60 - Step 5: Solve for x
x = 4,831,579,404.60/74,153.07 - Step 6: Final answer
x = 65,156.84
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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.