Finding the Fourth Proportional to 96,956.80, 133,798.08 and 63,422.08
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Solution
The fourth proportional to 96,956.80, 133,798.08 and 63,422.08 is: 87,520.96
Step by Step Solution
- Step 1: Write the proportion equation
96,956.80 : 133,798.08 = 63,422.08 : x - Step 2: Convert to fraction form
96,956.80/133,798.08 = 63,422.08/x - Step 3: Cross multiply
96,956.80x = 133,798.08 × 63,422.08 - Step 4: Simplify right side
96,956.80x = 8,485,752,533.61 - Step 5: Solve for x
x = 8,485,752,533.61/96,956.80 - Step 6: Final answer
x = 87,520.96
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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.