Finding the Fourth Proportional to 93,644.20, 129,241.14 and 53,372.44
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Solution
The fourth proportional to 93,644.20, 129,241.14 and 53,372.44 is: 73,660.89
Step by Step Solution
- Step 1: Write the proportion equation
93,644.20 : 129,241.14 = 53,372.44 : x - Step 2: Convert to fraction form
93,644.20/129,241.14 = 53,372.44/x - Step 3: Cross multiply
93,644.20x = 129,241.14 × 53,372.44 - Step 4: Simplify right side
93,644.20x = 6,897,914,990.18 - Step 5: Solve for x
x = 6,897,914,990.18/93,644.20 - Step 6: Final answer
x = 73,660.89
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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.