Finding the Fourth Proportional to 96,486.36, 133,102.19 and 65,836.46
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Solution
The fourth proportional to 96,486.36, 133,102.19 and 65,836.46 is: 90,820.89
Step by Step Solution
- Step 1: Write the proportion equation
96,486.36 : 133,102.19 = 65,836.46 : x - Step 2: Convert to fraction form
96,486.36/133,102.19 = 65,836.46/x - Step 3: Cross multiply
96,486.36x = 133,102.19 × 65,836.46 - Step 4: Simplify right side
96,486.36x = 8,762,977,134.86 - Step 5: Solve for x
x = 8,762,977,134.86/96,486.36 - Step 6: Final answer
x = 90,820.89
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1.5x scale
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.