Finding the Fourth Proportional to 96,713.88, 133,430.94 and 63,199.32
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Solution
The fourth proportional to 96,713.88, 133,430.94 and 63,199.32 is: 87,192.70
Step by Step Solution
- Step 1: Write the proportion equation
96,713.88 : 133,430.94 = 63,199.32 : x - Step 2: Convert to fraction form
96,713.88/133,430.94 = 63,199.32/x - Step 3: Cross multiply
96,713.88x = 133,430.94 × 63,199.32 - Step 4: Simplify right side
96,713.88x = 8,432,744,674.96 - Step 5: Solve for x
x = 8,432,744,674.96/96,713.88 - Step 6: Final answer
x = 87,192.70
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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.