Finding the Fourth Proportional to 97,042.98, 133,912.10 and 54,593.31
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Solution
The fourth proportional to 97,042.98, 133,912.10 and 54,593.31 is: 75,334.71
Step by Step Solution
- Step 1: Write the proportion equation
97,042.98 : 133,912.10 = 54,593.31 : x - Step 2: Convert to fraction form
97,042.98/133,912.10 = 54,593.31/x - Step 3: Cross multiply
97,042.98x = 133,912.10 × 54,593.31 - Step 4: Simplify right side
97,042.98x = 7,310,704,788.05 - Step 5: Solve for x
x = 7,310,704,788.05/97,042.98 - Step 6: Final answer
x = 75,334.71
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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.