Finding the Fourth Proportional to 97,825.28, 134,991.36 and 57,540.48
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Solution
The fourth proportional to 97,825.28, 134,991.36 and 57,540.48 is: 79,401.44
Step by Step Solution
- Step 1: Write the proportion equation
97,825.28 : 134,991.36 = 57,540.48 : x - Step 2: Convert to fraction form
97,825.28/134,991.36 = 57,540.48/x - Step 3: Cross multiply
97,825.28x = 134,991.36 × 57,540.48 - Step 4: Simplify right side
97,825.28x = 7,767,467,650.25 - Step 5: Solve for x
x = 7,767,467,650.25/97,825.28 - Step 6: Final answer
x = 79,401.44
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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.