Finding the Fourth Proportional to 88,666.40, 122,359.36 and 48,379.88
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Solution
The fourth proportional to 88,666.40, 122,359.36 and 48,379.88 is: 66,764.09
Step by Step Solution
- Step 1: Write the proportion equation
88,666.40 : 122,359.36 = 48,379.88 : x - Step 2: Convert to fraction form
88,666.40/122,359.36 = 48,379.88/x - Step 3: Cross multiply
88,666.40x = 122,359.36 × 48,379.88 - Step 4: Simplify right side
88,666.40x = 5,919,731,153.68 - Step 5: Solve for x
x = 5,919,731,153.68/88,666.40 - Step 6: Final answer
x = 66,764.09
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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.