Finding the Fourth Proportional to 96,919.99, 133,729.97 and 56,625.96
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Solution
The fourth proportional to 96,919.99, 133,729.97 and 56,625.96 is: 78,132.36
Step by Step Solution
- Step 1: Write the proportion equation
96,919.99 : 133,729.97 = 56,625.96 : x - Step 2: Convert to fraction form
96,919.99/133,729.97 = 56,625.96/x - Step 3: Cross multiply
96,919.99x = 133,729.97 × 56,625.96 - Step 4: Simplify right side
96,919.99x = 7,572,587,932.02 - Step 5: Solve for x
x = 7,572,587,932.02/96,919.99 - Step 6: Final answer
x = 78,132.36
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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.