Finding the Fourth Proportional to 86,633.99, 119,551.40 and 48,392.92
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Solution
The fourth proportional to 86,633.99, 119,551.40 and 48,392.92 is: 66,780.27
Step by Step Solution
- Step 1: Write the proportion equation
86,633.99 : 119,551.40 = 48,392.92 : x - Step 2: Convert to fraction form
86,633.99/119,551.40 = 48,392.92/x - Step 3: Cross multiply
86,633.99x = 119,551.40 × 48,392.92 - Step 4: Simplify right side
86,633.99x = 5,785,441,425.04 - Step 5: Solve for x
x = 5,785,441,425.04/86,633.99 - Step 6: Final answer
x = 66,780.27
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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.