Finding the Fourth Proportional to 96,369.08, 133,027.58 and 65,331.46
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Solution
The fourth proportional to 96,369.08, 133,027.58 and 65,331.46 is: 90,183.34
Step by Step Solution
- Step 1: Write the proportion equation
96,369.08 : 133,027.58 = 65,331.46 : x - Step 2: Convert to fraction form
96,369.08/133,027.58 = 65,331.46/x - Step 3: Cross multiply
96,369.08x = 133,027.58 × 65,331.46 - Step 4: Simplify right side
96,369.08x = 8,690,885,029.87 - Step 5: Solve for x
x = 8,690,885,029.87/96,369.08 - Step 6: Final answer
x = 90,183.34
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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.