Finding the Fourth Proportional to 88,779.93, 122,515.48 and 48,493.68
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Solution
The fourth proportional to 88,779.93, 122,515.48 and 48,493.68 is: 66,920.83
Step by Step Solution
- Step 1: Write the proportion equation
88,779.93 : 122,515.48 = 48,493.68 : x - Step 2: Convert to fraction form
88,779.93/122,515.48 = 48,493.68/x - Step 3: Cross multiply
88,779.93x = 122,515.48 × 48,493.68 - Step 4: Simplify right side
88,779.93x = 5,941,226,482.17 - Step 5: Solve for x
x = 5,941,226,482.17/88,779.93 - Step 6: Final answer
x = 66,920.83
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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.