Finding the Fourth Proportional to 88,669.12, 122,366.33 and 48,385.09
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Solution
The fourth proportional to 88,669.12, 122,366.33 and 48,385.09 is: 66,773.03
Step by Step Solution
- Step 1: Write the proportion equation
88,669.12 : 122,366.33 = 48,385.09 : x - Step 2: Convert to fraction form
88,669.12/122,366.33 = 48,385.09/x - Step 3: Cross multiply
88,669.12x = 122,366.33 × 48,385.09 - Step 4: Simplify right side
88,669.12x = 5,920,706,061.20 - Step 5: Solve for x
x = 5,920,706,061.20/88,669.12 - Step 6: Final answer
x = 66,773.03
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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.