Finding the Fourth Proportional to 93,939.60, 129,633.84 and 51,496.68
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Solution
The fourth proportional to 93,939.60, 129,633.84 and 51,496.68 is: 71,063.88
Step by Step Solution
- Step 1: Write the proportion equation
93,939.60 : 129,633.84 = 51,496.68 : x - Step 2: Convert to fraction form
93,939.60/129,633.84 = 51,496.68/x - Step 3: Cross multiply
93,939.60x = 129,633.84 × 51,496.68 - Step 4: Simplify right side
93,939.60x = 6,675,712,375.65 - Step 5: Solve for x
x = 6,675,712,375.65/93,939.60 - Step 6: Final answer
x = 71,063.88
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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.