Finding the Fourth Proportional to 87,425.68, 130,883.36 and 65,035.66
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Solution
The fourth proportional to 87,425.68, 130,883.36 and 65,035.66 is: 97,363.68
Step by Step Solution
- Step 1: Write the proportion equation
87,425.68 : 130,883.36 = 65,035.66 : x - Step 2: Convert to fraction form
87,425.68/130,883.36 = 65,035.66/x - Step 3: Cross multiply
87,425.68x = 130,883.36 × 65,035.66 - Step 4: Simplify right side
87,425.68x = 8,512,085,700.62 - Step 5: Solve for x
x = 8,512,085,700.62/87,425.68 - Step 6: Final answer
x = 97,363.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.